Swift Package Index

Build Information

Failed to build Placement, reference main (792ec6), with Swift 5.9 for macOS (SPM) on 20 Jan 2025 18:45:34 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-15.2.0.app xcrun swift build --arch arm64

Build Log

struct PlacementIntrinsicSizeReader: View {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementIntrinsicSizeReader.swift:30:9: error: 'GeometryReader' is only available in macOS 10.15 or newer
        GeometryReader(content: { proxy in
        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementIntrinsicSizeReader.swift:30:9: note: add 'if #available' version check
        GeometryReader(content: { proxy in
        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementIntrinsicSizeReader.swift:29:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementIntrinsicSizeReader.swift:26:8: note: add @available attribute to enclosing struct
struct PlacementIntrinsicSizeReader: View {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementIntrinsicSizeReader.swift:31:13: error: 'Color' is only available in macOS 10.15 or newer
            Color.clear.preference(
            ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementIntrinsicSizeReader.swift:29:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementIntrinsicSizeReader.swift:26:8: note: add @available attribute to enclosing struct
struct PlacementIntrinsicSizeReader: View {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementIntrinsicSizeReader.swift:31:19: error: 'clear' is only available in macOS 10.15 or newer
            Color.clear.preference(
                  ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementIntrinsicSizeReader.swift:29:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementIntrinsicSizeReader.swift:26:8: note: add @available attribute to enclosing struct
struct PlacementIntrinsicSizeReader: View {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementIntrinsicSizeReader.swift:31:25: error: 'preference(key:value:)' is only available in macOS 10.15 or newer
            Color.clear.preference(
                        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementIntrinsicSizeReader.swift:29:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementIntrinsicSizeReader.swift:26:8: note: add @available attribute to enclosing struct
struct PlacementIntrinsicSizeReader: View {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementIntrinsicSizeReader.swift:35:12: error: 'animation' is only available in macOS 10.15 or newer
        }).animation(nil)
           ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementIntrinsicSizeReader.swift:35:12: note: add 'if #available' version check
        }).animation(nil)
           ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementIntrinsicSizeReader.swift:29:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementIntrinsicSizeReader.swift:26:8: note: add @available attribute to enclosing struct
struct PlacementIntrinsicSizeReader: View {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementKeyboardAvoidingModifier.swift:11:60: error: 'Animation' is only available in macOS 10.15 or newer
func keyboardAnimation(from notification: Notification) -> Animation? {
                                                           ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementKeyboardAvoidingModifier.swift:11:6: note: add @available attribute to enclosing global function
func keyboardAnimation(from notification: Notification) -> Animation? {
     ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementKeyboardAvoidingModifier.swift:31:6: error: 'Environment' is only available in macOS 10.15 or newer
    @Environment(\.placementShouldAdjustToKeyboard) var placementShouldAdjustToKeyboard
     ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementKeyboardAvoidingModifier.swift:30:8: note: add @available attribute to enclosing generic struct
struct KeyboardAvoidingView<L: PlacementLayout>: UIViewRepresentable {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementKeyboardAvoidingModifier.swift:32:6: error: 'EnvironmentObject' is only available in macOS 10.15 or newer
    @EnvironmentObject var coordinator: Coordinator<L>
     ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementKeyboardAvoidingModifier.swift:30:8: note: add @available attribute to enclosing generic struct
struct KeyboardAvoidingView<L: PlacementLayout>: UIViewRepresentable {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementKeyboardAvoidingModifier.swift:33:6: error: 'Binding' is only available in macOS 10.15 or newer
    @Binding var keyboardFrame: CGRect
     ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementKeyboardAvoidingModifier.swift:30:8: note: add @available attribute to enclosing generic struct
struct KeyboardAvoidingView<L: PlacementLayout>: UIViewRepresentable {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementKeyboardAvoidingModifier.swift:38:10: error: 'Binding' is only available in macOS 10.15 or newer
        @Binding var keyboardFrame: CGRect
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementKeyboardAvoidingModifier.swift:35:11: note: add @available attribute to enclosing class
    class KeyboardCoordinator {
          ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementKeyboardAvoidingModifier.swift:35:11: note: add @available attribute to enclosing class
    class KeyboardCoordinator {
          ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementKeyboardAvoidingModifier.swift:43:28: error: 'Binding' is only available in macOS 10.15 or newer
            keyboardFrame: Binding<CGRect>
                           ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementKeyboardAvoidingModifier.swift:40:9: note: add @available attribute to enclosing initializer
        init(
        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementKeyboardAvoidingModifier.swift:35:11: note: add @available attribute to enclosing class
    class KeyboardCoordinator {
          ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementKeyboardAvoidingModifier.swift:108:47: error: cannot find type 'UIView' in scope
    func makeUIView(context: Context) -> some UIView {
                                              ^~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementKeyboardAvoidingModifier.swift:108:42: error: 'some' types are only permitted in properties, subscripts, and functions
    func makeUIView(context: Context) -> some UIView {
                                         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementKeyboardAvoidingModifier.swift:108:30: error: cannot find type 'Context' in scope
    func makeUIView(context: Context) -> some UIView {
                             ^~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementKeyboardAvoidingModifier.swift:112:33: error: cannot find type 'UIViewType' in scope
    func updateUIView(_ uiView: UIViewType, context: Context) {
                                ^~~~~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementKeyboardAvoidingModifier.swift:112:54: error: cannot find type 'Context' in scope
    func updateUIView(_ uiView: UIViewType, context: Context) {
                                                     ^~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementKeyboardAvoidingModifier.swift:30:50: error: cannot find type 'UIViewRepresentable' in scope
struct KeyboardAvoidingView<L: PlacementLayout>: UIViewRepresentable {
                                                 ^~~~~~~~~~~~~~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementKeyboardAvoidingModifier.swift:119:6: error: 'Environment' is only available in macOS 10.15 or newer
    @Environment(\.placementShouldAdjustToKeyboard) var placementShouldAdjustToKeyboard
     ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementKeyboardAvoidingModifier.swift:118:8: note: add @available attribute to enclosing generic struct
struct PlacementKeyboardAvoidingModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementKeyboardAvoidingModifier.swift:120:6: error: 'EnvironmentObject' is only available in macOS 10.15 or newer
    @EnvironmentObject var coordinator: Coordinator<L>
     ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementKeyboardAvoidingModifier.swift:118:8: note: add @available attribute to enclosing generic struct
struct PlacementKeyboardAvoidingModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementKeyboardAvoidingModifier.swift:121:6: error: 'Binding' is only available in macOS 10.15 or newer
    @Binding var keyboardFrame: CGRect
     ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementKeyboardAvoidingModifier.swift:118:8: note: add @available attribute to enclosing generic struct
struct PlacementKeyboardAvoidingModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementKeyboardAvoidingModifier.swift:123:41: error: 'View' is only available in macOS 10.15 or newer
    func body(content: Content) -> some View {
                                        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementKeyboardAvoidingModifier.swift:123:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementKeyboardAvoidingModifier.swift:118:8: note: add @available attribute to enclosing generic struct
struct PlacementKeyboardAvoidingModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementKeyboardAvoidingModifier.swift:101:9: error: generic parameter 'L' could not be inferred
        Coordinator(
        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/Coordinator.swift:9:19: note: 'L' declared as parameter to type 'Coordinator'
class Coordinator<L: PlacementLayout>: ObservableObject {
                  ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementKeyboardAvoidingModifier.swift:101:9: note: explicitly specify the generic arguments to fix this issue
        Coordinator(
        ^
                   <<#L: PlacementLayout#>>
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementKeyboardAvoidingModifier.swift:101:20: error: argument passed to call that takes no arguments
        Coordinator(
                   ^

/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementKeyboardAvoidingModifier.swift:101:9: error: cannot convert return expression of type 'Coordinator<L>' to return type 'KeyboardAvoidingView<L>.KeyboardCoordinator'
        Coordinator(
        ^~~~~~~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementKeyboardAvoidingModifier.swift:127:18: error: value of type 'KeyboardAvoidingView<L>' has no member 'allowsHitTesting'
                .allowsHitTesting(false)
                 ^~~~~~~~~~~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:10:25: error: 'AnimatablePair' is only available in macOS 10.15 or newer
    var animatableData: AnimatablePair<AnimatablePair<CGFloat, CGFloat>, AnimatablePair<CGFloat, CGFloat>> {
                        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:10:9: note: add @available attribute to enclosing property
    var animatableData: AnimatablePair<AnimatablePair<CGFloat, CGFloat>, AnimatablePair<CGFloat, CGFloat>> {
        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:4:8: note: add @available attribute to enclosing struct
struct PlacementEffect: GeometryEffect {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:23:39: error: 'ProjectionTransform' is only available in macOS 10.15 or newer
    func effectValue(size: CGSize) -> ProjectionTransform {
                                      ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:23:10: note: add @available attribute to enclosing instance method
    func effectValue(size: CGSize) -> ProjectionTransform {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:4:8: note: add @available attribute to enclosing struct
struct PlacementEffect: GeometryEffect {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:4:8: warning: conformance of 'CGFloat' to 'VectorArithmetic' is only available in macOS 10.15 or newer
struct PlacementEffect: GeometryEffect {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:4:8: note: add @available attribute to enclosing struct
struct PlacementEffect: GeometryEffect {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:4:8: note: in associated type 'Self.AnimatableData' (inferred as 'AnimatablePair<AnimatablePair<CGFloat, CGFloat>, AnimatablePair<CGFloat, CGFloat>>')
struct PlacementEffect: GeometryEffect {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:4:8: warning: conformance of 'CGFloat' to 'VectorArithmetic' is only available in macOS 10.15 or newer
struct PlacementEffect: GeometryEffect {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:4:8: note: add @available attribute to enclosing struct
struct PlacementEffect: GeometryEffect {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:4:8: note: in associated type 'Self.AnimatableData' (inferred as 'AnimatablePair<AnimatablePair<CGFloat, CGFloat>, AnimatablePair<CGFloat, CGFloat>>')
struct PlacementEffect: GeometryEffect {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:4:8: warning: conformance of 'CGFloat' to 'VectorArithmetic' is only available in macOS 10.15 or newer
struct PlacementEffect: GeometryEffect {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:4:8: note: add @available attribute to enclosing struct
struct PlacementEffect: GeometryEffect {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:4:8: note: in associated type 'Self.AnimatableData' (inferred as 'AnimatablePair<AnimatablePair<CGFloat, CGFloat>, AnimatablePair<CGFloat, CGFloat>>')
struct PlacementEffect: GeometryEffect {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:4:8: warning: conformance of 'CGFloat' to 'VectorArithmetic' is only available in macOS 10.15 or newer
struct PlacementEffect: GeometryEffect {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:4:8: note: add @available attribute to enclosing struct
struct PlacementEffect: GeometryEffect {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:4:8: note: in associated type 'Self.AnimatableData' (inferred as 'AnimatablePair<AnimatablePair<CGFloat, CGFloat>, AnimatablePair<CGFloat, CGFloat>>')
struct PlacementEffect: GeometryEffect {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:4:8: warning: conformance of 'Never' to 'View' is only available in macOS 10.15 or newer
struct PlacementEffect: GeometryEffect {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:4:8: note: add @available attribute to enclosing struct
struct PlacementEffect: GeometryEffect {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:4:8: note: in associated type 'Self.Body' (inferred as 'Never')
struct PlacementEffect: GeometryEffect {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:37:6: error: 'EnvironmentObject' is only available in macOS 10.15 or newer
    @EnvironmentObject var coordinator: Coordinator<L>
     ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:36:8: note: add @available attribute to enclosing generic struct
struct PlacementModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:38:6: error: 'EnvironmentObject' is only available in macOS 10.15 or newer
    @EnvironmentObject var placementsCoordinator: PlacementsCoordinator
     ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:36:8: note: add @available attribute to enclosing generic struct
struct PlacementModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:41:19: error: '_VariadicView' is only available in macOS 10.15 or newer
    var children: _VariadicView.Children
                  ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:36:8: note: add @available attribute to enclosing generic struct
struct PlacementModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:43:41: error: 'View' is only available in macOS 10.15 or newer
    func body(content: Content) -> some View {
                                        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:43:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:36:8: note: add @available attribute to enclosing generic struct
struct PlacementModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:12:12: error: 'AnimatablePair' is only available in macOS 10.15 or newer
           AnimatablePair(AnimatablePair(positionX, positionY), AnimatablePair(anchorX, anchorY))
           ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:12:12: note: add 'if #available' version check
           AnimatablePair(AnimatablePair(positionX, positionY), AnimatablePair(anchorX, anchorY))
           ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:10:9: note: add @available attribute to enclosing property
    var animatableData: AnimatablePair<AnimatablePair<CGFloat, CGFloat>, AnimatablePair<CGFloat, CGFloat>> {
        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:4:8: note: add @available attribute to enclosing struct
struct PlacementEffect: GeometryEffect {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:12:12: warning: conformance of 'CGFloat' to 'VectorArithmetic' is only available in macOS 10.15 or newer
           AnimatablePair(AnimatablePair(positionX, positionY), AnimatablePair(anchorX, anchorY))
           ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:12:12: note: add 'if #available' version check
           AnimatablePair(AnimatablePair(positionX, positionY), AnimatablePair(anchorX, anchorY))
           ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:10:9: note: add @available attribute to enclosing property
    var animatableData: AnimatablePair<AnimatablePair<CGFloat, CGFloat>, AnimatablePair<CGFloat, CGFloat>> {
        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:4:8: note: add @available attribute to enclosing struct
struct PlacementEffect: GeometryEffect {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:12:12: warning: conformance of 'CGFloat' to 'VectorArithmetic' is only available in macOS 10.15 or newer
           AnimatablePair(AnimatablePair(positionX, positionY), AnimatablePair(anchorX, anchorY))
           ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:12:12: note: add 'if #available' version check
           AnimatablePair(AnimatablePair(positionX, positionY), AnimatablePair(anchorX, anchorY))
           ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:10:9: note: add @available attribute to enclosing property
    var animatableData: AnimatablePair<AnimatablePair<CGFloat, CGFloat>, AnimatablePair<CGFloat, CGFloat>> {
        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:4:8: note: add @available attribute to enclosing struct
struct PlacementEffect: GeometryEffect {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:12:12: warning: conformance of 'CGFloat' to 'VectorArithmetic' is only available in macOS 10.15 or newer
           AnimatablePair(AnimatablePair(positionX, positionY), AnimatablePair(anchorX, anchorY))
           ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:12:12: note: add 'if #available' version check
           AnimatablePair(AnimatablePair(positionX, positionY), AnimatablePair(anchorX, anchorY))
           ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:10:9: note: add @available attribute to enclosing property
    var animatableData: AnimatablePair<AnimatablePair<CGFloat, CGFloat>, AnimatablePair<CGFloat, CGFloat>> {
        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:4:8: note: add @available attribute to enclosing struct
struct PlacementEffect: GeometryEffect {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:12:12: warning: conformance of 'CGFloat' to 'VectorArithmetic' is only available in macOS 10.15 or newer
           AnimatablePair(AnimatablePair(positionX, positionY), AnimatablePair(anchorX, anchorY))
           ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:12:12: note: add 'if #available' version check
           AnimatablePair(AnimatablePair(positionX, positionY), AnimatablePair(anchorX, anchorY))
           ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:10:9: note: add @available attribute to enclosing property
    var animatableData: AnimatablePair<AnimatablePair<CGFloat, CGFloat>, AnimatablePair<CGFloat, CGFloat>> {
        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:4:8: note: add @available attribute to enclosing struct
struct PlacementEffect: GeometryEffect {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:12:27: error: 'AnimatablePair' is only available in macOS 10.15 or newer
           AnimatablePair(AnimatablePair(positionX, positionY), AnimatablePair(anchorX, anchorY))
                          ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:12:27: note: add 'if #available' version check
           AnimatablePair(AnimatablePair(positionX, positionY), AnimatablePair(anchorX, anchorY))
                          ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:10:9: note: add @available attribute to enclosing property
    var animatableData: AnimatablePair<AnimatablePair<CGFloat, CGFloat>, AnimatablePair<CGFloat, CGFloat>> {
        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:4:8: note: add @available attribute to enclosing struct
struct PlacementEffect: GeometryEffect {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:12:27: warning: conformance of 'CGFloat' to 'VectorArithmetic' is only available in macOS 10.15 or newer
           AnimatablePair(AnimatablePair(positionX, positionY), AnimatablePair(anchorX, anchorY))
                          ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:12:27: note: add 'if #available' version check
           AnimatablePair(AnimatablePair(positionX, positionY), AnimatablePair(anchorX, anchorY))
                          ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:10:9: note: add @available attribute to enclosing property
    var animatableData: AnimatablePair<AnimatablePair<CGFloat, CGFloat>, AnimatablePair<CGFloat, CGFloat>> {
        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:4:8: note: add @available attribute to enclosing struct
struct PlacementEffect: GeometryEffect {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:12:27: warning: conformance of 'CGFloat' to 'VectorArithmetic' is only available in macOS 10.15 or newer
           AnimatablePair(AnimatablePair(positionX, positionY), AnimatablePair(anchorX, anchorY))
                          ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:12:27: note: add 'if #available' version check
           AnimatablePair(AnimatablePair(positionX, positionY), AnimatablePair(anchorX, anchorY))
                          ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:10:9: note: add @available attribute to enclosing property
    var animatableData: AnimatablePair<AnimatablePair<CGFloat, CGFloat>, AnimatablePair<CGFloat, CGFloat>> {
        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:4:8: note: add @available attribute to enclosing struct
struct PlacementEffect: GeometryEffect {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:12:65: error: 'AnimatablePair' is only available in macOS 10.15 or newer
           AnimatablePair(AnimatablePair(positionX, positionY), AnimatablePair(anchorX, anchorY))
                                                                ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:12:65: note: add 'if #available' version check
           AnimatablePair(AnimatablePair(positionX, positionY), AnimatablePair(anchorX, anchorY))
                                                                ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:10:9: note: add @available attribute to enclosing property
    var animatableData: AnimatablePair<AnimatablePair<CGFloat, CGFloat>, AnimatablePair<CGFloat, CGFloat>> {
        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:4:8: note: add @available attribute to enclosing struct
struct PlacementEffect: GeometryEffect {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:12:65: warning: conformance of 'CGFloat' to 'VectorArithmetic' is only available in macOS 10.15 or newer
           AnimatablePair(AnimatablePair(positionX, positionY), AnimatablePair(anchorX, anchorY))
                                                                ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:12:65: note: add 'if #available' version check
           AnimatablePair(AnimatablePair(positionX, positionY), AnimatablePair(anchorX, anchorY))
                                                                ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:10:9: note: add @available attribute to enclosing property
    var animatableData: AnimatablePair<AnimatablePair<CGFloat, CGFloat>, AnimatablePair<CGFloat, CGFloat>> {
        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:4:8: note: add @available attribute to enclosing struct
struct PlacementEffect: GeometryEffect {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:12:65: warning: conformance of 'CGFloat' to 'VectorArithmetic' is only available in macOS 10.15 or newer
           AnimatablePair(AnimatablePair(positionX, positionY), AnimatablePair(anchorX, anchorY))
                                                                ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:12:65: note: add 'if #available' version check
           AnimatablePair(AnimatablePair(positionX, positionY), AnimatablePair(anchorX, anchorY))
                                                                ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:10:9: note: add @available attribute to enclosing property
    var animatableData: AnimatablePair<AnimatablePair<CGFloat, CGFloat>, AnimatablePair<CGFloat, CGFloat>> {
        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:4:8: note: add @available attribute to enclosing struct
struct PlacementEffect: GeometryEffect {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:16:34: warning: conformance of 'CGFloat' to 'VectorArithmetic' is only available in macOS 10.15 or newer
            positionX = newValue.first.first
                                 ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:16:34: note: add 'if #available' version check
            positionX = newValue.first.first
                                 ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:10:9: note: add @available attribute to enclosing property
    var animatableData: AnimatablePair<AnimatablePair<CGFloat, CGFloat>, AnimatablePair<CGFloat, CGFloat>> {
        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:4:8: note: add @available attribute to enclosing struct
struct PlacementEffect: GeometryEffect {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:16:34: warning: conformance of 'CGFloat' to 'VectorArithmetic' is only available in macOS 10.15 or newer
            positionX = newValue.first.first
                                 ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:16:34: note: add 'if #available' version check
            positionX = newValue.first.first
                                 ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:10:9: note: add @available attribute to enclosing property
    var animatableData: AnimatablePair<AnimatablePair<CGFloat, CGFloat>, AnimatablePair<CGFloat, CGFloat>> {
        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:4:8: note: add @available attribute to enclosing struct
struct PlacementEffect: GeometryEffect {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:16:34: warning: conformance of 'CGFloat' to 'VectorArithmetic' is only available in macOS 10.15 or newer
            positionX = newValue.first.first
                                 ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:16:34: note: add 'if #available' version check
            positionX = newValue.first.first
                                 ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:10:9: note: add @available attribute to enclosing property
    var animatableData: AnimatablePair<AnimatablePair<CGFloat, CGFloat>, AnimatablePair<CGFloat, CGFloat>> {
        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:4:8: note: add @available attribute to enclosing struct
struct PlacementEffect: GeometryEffect {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:16:34: warning: conformance of 'CGFloat' to 'VectorArithmetic' is only available in macOS 10.15 or newer
            positionX = newValue.first.first
                                 ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:16:34: note: add 'if #available' version check
            positionX = newValue.first.first
                                 ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:10:9: note: add @available attribute to enclosing property
    var animatableData: AnimatablePair<AnimatablePair<CGFloat, CGFloat>, AnimatablePair<CGFloat, CGFloat>> {
        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:4:8: note: add @available attribute to enclosing struct
struct PlacementEffect: GeometryEffect {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:16:40: warning: conformance of 'CGFloat' to 'VectorArithmetic' is only available in macOS 10.15 or newer
            positionX = newValue.first.first
                                       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:16:40: note: add 'if #available' version check
            positionX = newValue.first.first
                                       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:10:9: note: add @available attribute to enclosing property
    var animatableData: AnimatablePair<AnimatablePair<CGFloat, CGFloat>, AnimatablePair<CGFloat, CGFloat>> {
        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:4:8: note: add @available attribute to enclosing struct
struct PlacementEffect: GeometryEffect {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:16:40: warning: conformance of 'CGFloat' to 'VectorArithmetic' is only available in macOS 10.15 or newer
            positionX = newValue.first.first
                                       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:16:40: note: add 'if #available' version check
            positionX = newValue.first.first
                                       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:10:9: note: add @available attribute to enclosing property
    var animatableData: AnimatablePair<AnimatablePair<CGFloat, CGFloat>, AnimatablePair<CGFloat, CGFloat>> {
        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:4:8: note: add @available attribute to enclosing struct
struct PlacementEffect: GeometryEffect {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:17:34: warning: conformance of 'CGFloat' to 'VectorArithmetic' is only available in macOS 10.15 or newer
            positionY = newValue.first.second
                                 ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:17:34: note: add 'if #available' version check
            positionY = newValue.first.second
                                 ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:10:9: note: add @available attribute to enclosing property
    var animatableData: AnimatablePair<AnimatablePair<CGFloat, CGFloat>, AnimatablePair<CGFloat, CGFloat>> {
        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:4:8: note: add @available attribute to enclosing struct
struct PlacementEffect: GeometryEffect {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:17:34: warning: conformance of 'CGFloat' to 'VectorArithmetic' is only available in macOS 10.15 or newer
            positionY = newValue.first.second
                                 ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:17:34: note: add 'if #available' version check
            positionY = newValue.first.second
                                 ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:10:9: note: add @available attribute to enclosing property
    var animatableData: AnimatablePair<AnimatablePair<CGFloat, CGFloat>, AnimatablePair<CGFloat, CGFloat>> {
        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:4:8: note: add @available attribute to enclosing struct
struct PlacementEffect: GeometryEffect {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:17:34: warning: conformance of 'CGFloat' to 'VectorArithmetic' is only available in macOS 10.15 or newer
            positionY = newValue.first.second
                                 ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:17:34: note: add 'if #available' version check
            positionY = newValue.first.second
                                 ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:10:9: note: add @available attribute to enclosing property
    var animatableData: AnimatablePair<AnimatablePair<CGFloat, CGFloat>, AnimatablePair<CGFloat, CGFloat>> {
        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:4:8: note: add @available attribute to enclosing struct
struct PlacementEffect: GeometryEffect {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:17:34: warning: conformance of 'CGFloat' to 'VectorArithmetic' is only available in macOS 10.15 or newer
            positionY = newValue.first.second
                                 ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:17:34: note: add 'if #available' version check
            positionY = newValue.first.second
                                 ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:10:9: note: add @available attribute to enclosing property
    var animatableData: AnimatablePair<AnimatablePair<CGFloat, CGFloat>, AnimatablePair<CGFloat, CGFloat>> {
        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:4:8: note: add @available attribute to enclosing struct
struct PlacementEffect: GeometryEffect {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:17:40: warning: conformance of 'CGFloat' to 'VectorArithmetic' is only available in macOS 10.15 or newer
            positionY = newValue.first.second
                                       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:17:40: note: add 'if #available' version check
            positionY = newValue.first.second
                                       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:10:9: note: add @available attribute to enclosing property
    var animatableData: AnimatablePair<AnimatablePair<CGFloat, CGFloat>, AnimatablePair<CGFloat, CGFloat>> {
        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:4:8: note: add @available attribute to enclosing struct
struct PlacementEffect: GeometryEffect {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:17:40: warning: conformance of 'CGFloat' to 'VectorArithmetic' is only available in macOS 10.15 or newer
            positionY = newValue.first.second
                                       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:17:40: note: add 'if #available' version check
            positionY = newValue.first.second
                                       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:10:9: note: add @available attribute to enclosing property
    var animatableData: AnimatablePair<AnimatablePair<CGFloat, CGFloat>, AnimatablePair<CGFloat, CGFloat>> {
        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:4:8: note: add @available attribute to enclosing struct
struct PlacementEffect: GeometryEffect {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:18:32: warning: conformance of 'CGFloat' to 'VectorArithmetic' is only available in macOS 10.15 or newer
            anchorX = newValue.second.first
                               ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:18:32: note: add 'if #available' version check
            anchorX = newValue.second.first
                               ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:10:9: note: add @available attribute to enclosing property
    var animatableData: AnimatablePair<AnimatablePair<CGFloat, CGFloat>, AnimatablePair<CGFloat, CGFloat>> {
        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:4:8: note: add @available attribute to enclosing struct
struct PlacementEffect: GeometryEffect {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:18:32: warning: conformance of 'CGFloat' to 'VectorArithmetic' is only available in macOS 10.15 or newer
            anchorX = newValue.second.first
                               ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:18:32: note: add 'if #available' version check
            anchorX = newValue.second.first
                               ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:10:9: note: add @available attribute to enclosing property
    var animatableData: AnimatablePair<AnimatablePair<CGFloat, CGFloat>, AnimatablePair<CGFloat, CGFloat>> {
        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:4:8: note: add @available attribute to enclosing struct
struct PlacementEffect: GeometryEffect {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:18:32: warning: conformance of 'CGFloat' to 'VectorArithmetic' is only available in macOS 10.15 or newer
            anchorX = newValue.second.first
                               ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:18:32: note: add 'if #available' version check
            anchorX = newValue.second.first
                               ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:10:9: note: add @available attribute to enclosing property
    var animatableData: AnimatablePair<AnimatablePair<CGFloat, CGFloat>, AnimatablePair<CGFloat, CGFloat>> {
        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:4:8: note: add @available attribute to enclosing struct
struct PlacementEffect: GeometryEffect {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:18:32: warning: conformance of 'CGFloat' to 'VectorArithmetic' is only available in macOS 10.15 or newer
            anchorX = newValue.second.first
                               ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:18:32: note: add 'if #available' version check
            anchorX = newValue.second.first
                               ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:10:9: note: add @available attribute to enclosing property
    var animatableData: AnimatablePair<AnimatablePair<CGFloat, CGFloat>, AnimatablePair<CGFloat, CGFloat>> {
        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:4:8: note: add @available attribute to enclosing struct
struct PlacementEffect: GeometryEffect {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:18:39: warning: conformance of 'CGFloat' to 'VectorArithmetic' is only available in macOS 10.15 or newer
            anchorX = newValue.second.first
                                      ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:18:39: note: add 'if #available' version check
            anchorX = newValue.second.first
                                      ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:10:9: note: add @available attribute to enclosing property
    var animatableData: AnimatablePair<AnimatablePair<CGFloat, CGFloat>, AnimatablePair<CGFloat, CGFloat>> {
        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:4:8: note: add @available attribute to enclosing struct
struct PlacementEffect: GeometryEffect {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:18:39: warning: conformance of 'CGFloat' to 'VectorArithmetic' is only available in macOS 10.15 or newer
            anchorX = newValue.second.first
                                      ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:18:39: note: add 'if #available' version check
            anchorX = newValue.second.first
                                      ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:10:9: note: add @available attribute to enclosing property
    var animatableData: AnimatablePair<AnimatablePair<CGFloat, CGFloat>, AnimatablePair<CGFloat, CGFloat>> {
        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:4:8: note: add @available attribute to enclosing struct
struct PlacementEffect: GeometryEffect {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:19:32: warning: conformance of 'CGFloat' to 'VectorArithmetic' is only available in macOS 10.15 or newer
            anchorY = newValue.second.second
                               ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:19:32: note: add 'if #available' version check
            anchorY = newValue.second.second
                               ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:10:9: note: add @available attribute to enclosing property
    var animatableData: AnimatablePair<AnimatablePair<CGFloat, CGFloat>, AnimatablePair<CGFloat, CGFloat>> {
        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:4:8: note: add @available attribute to enclosing struct
struct PlacementEffect: GeometryEffect {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:19:32: warning: conformance of 'CGFloat' to 'VectorArithmetic' is only available in macOS 10.15 or newer
            anchorY = newValue.second.second
                               ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:19:32: note: add 'if #available' version check
            anchorY = newValue.second.second
                               ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:10:9: note: add @available attribute to enclosing property
    var animatableData: AnimatablePair<AnimatablePair<CGFloat, CGFloat>, AnimatablePair<CGFloat, CGFloat>> {
        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:4:8: note: add @available attribute to enclosing struct
struct PlacementEffect: GeometryEffect {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:19:32: warning: conformance of 'CGFloat' to 'VectorArithmetic' is only available in macOS 10.15 or newer
            anchorY = newValue.second.second
                               ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:19:32: note: add 'if #available' version check
            anchorY = newValue.second.second
                               ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:10:9: note: add @available attribute to enclosing property
    var animatableData: AnimatablePair<AnimatablePair<CGFloat, CGFloat>, AnimatablePair<CGFloat, CGFloat>> {
        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:4:8: note: add @available attribute to enclosing struct
struct PlacementEffect: GeometryEffect {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:19:32: warning: conformance of 'CGFloat' to 'VectorArithmetic' is only available in macOS 10.15 or newer
            anchorY = newValue.second.second
                               ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:19:32: note: add 'if #available' version check
            anchorY = newValue.second.second
                               ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:10:9: note: add @available attribute to enclosing property
    var animatableData: AnimatablePair<AnimatablePair<CGFloat, CGFloat>, AnimatablePair<CGFloat, CGFloat>> {
        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:4:8: note: add @available attribute to enclosing struct
struct PlacementEffect: GeometryEffect {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:19:39: warning: conformance of 'CGFloat' to 'VectorArithmetic' is only available in macOS 10.15 or newer
            anchorY = newValue.second.second
                                      ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:19:39: note: add 'if #available' version check
            anchorY = newValue.second.second
                                      ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:10:9: note: add @available attribute to enclosing property
    var animatableData: AnimatablePair<AnimatablePair<CGFloat, CGFloat>, AnimatablePair<CGFloat, CGFloat>> {
        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:4:8: note: add @available attribute to enclosing struct
struct PlacementEffect: GeometryEffect {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:19:39: warning: conformance of 'CGFloat' to 'VectorArithmetic' is only available in macOS 10.15 or newer
            anchorY = newValue.second.second
                                      ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:19:39: note: add 'if #available' version check
            anchorY = newValue.second.second
                                      ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:10:9: note: add @available attribute to enclosing property
    var animatableData: AnimatablePair<AnimatablePair<CGFloat, CGFloat>, AnimatablePair<CGFloat, CGFloat>> {
        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:4:8: note: add @available attribute to enclosing struct
struct PlacementEffect: GeometryEffect {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:29:16: error: 'ProjectionTransform' is only available in macOS 10.15 or newer
        return ProjectionTransform(CGAffineTransform(
               ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:29:16: note: add 'if #available' version check
        return ProjectionTransform(CGAffineTransform(
               ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:23:10: note: add @available attribute to enclosing instance method
    func effectValue(size: CGSize) -> ProjectionTransform {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:4:8: note: add @available attribute to enclosing struct
struct PlacementEffect: GeometryEffect {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/Coordinator.swift:184:30: error: 'Transaction' is only available in macOS 10.15 or newer
    public var transaction = Transaction()
                             ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/Coordinator.swift:9:7: note: add @available attribute to enclosing generic class
class Coordinator<L: PlacementLayout>: ObservableObject {
      ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:50:14: error: value of type 'LayoutChildSizingView<L>' has no member 'allowsHitTesting'
            .allowsHitTesting(false)
             ^~~~~~~~~~~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/PlacementModifier.swift:84:26: error: cannot infer contextual base in reference to member 'opacity'
            .transition(.opacity)
                        ~^~~~~~~
[29/31] Compiling Placement PlacementLayoutNative.swift
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:5:11: error: 'ProposedViewSize' is only available in macOS 13.0 or newer
extension ProposedViewSize {
          ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:5:1: note: add @available attribute to enclosing extension
extension ProposedViewSize {
^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:13:27: error: 'ProposedViewSize' is only available in macOS 13.0 or newer
    var proposedViewSize: ProposedViewSize {
                          ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:13:9: note: add @available attribute to enclosing property
    var proposedViewSize: ProposedViewSize {
        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:12:1: note: add @available attribute to enclosing extension
extension PlacementProposedViewSize {
^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:35:19: error: 'ProposedViewSize' is only available in macOS 13.0 or newer
        proposal: ProposedViewSize,
                  ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:34:10: note: add @available attribute to enclosing instance method
    func sizeThatFits(
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:19:8: note: add @available attribute to enclosing generic struct
struct PlacementLayoutNative<L: PlacementLayout>: Layout {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:48:19: error: 'ProposedViewSize' is only available in macOS 13.0 or newer
        proposal: ProposedViewSize,
                  ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:46:10: note: add @available attribute to enclosing instance method
    func placeSubviews(
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:19:8: note: add @available attribute to enclosing generic struct
struct PlacementLayoutNative<L: PlacementLayout>: Layout {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:61:19: error: 'VerticalAlignment' is only available in macOS 10.15 or newer
        of guide: VerticalAlignment,
                  ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:60:10: note: add @available attribute to enclosing instance method
    func explicitAlignment(
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:19:8: note: add @available attribute to enclosing generic struct
struct PlacementLayoutNative<L: PlacementLayout>: Layout {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:63:19: error: 'ProposedViewSize' is only available in macOS 13.0 or newer
        proposal: ProposedViewSize,
                  ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:60:10: note: add @available attribute to enclosing instance method
    func explicitAlignment(
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:19:8: note: add @available attribute to enclosing generic struct
struct PlacementLayoutNative<L: PlacementLayout>: Layout {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:77:19: error: 'HorizontalAlignment' is only available in macOS 10.15 or newer
        of guide: HorizontalAlignment,
                  ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:76:10: note: add @available attribute to enclosing instance method
    func explicitAlignment(
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:19:8: note: add @available attribute to enclosing generic struct
struct PlacementLayoutNative<L: PlacementLayout>: Layout {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:79:19: error: 'ProposedViewSize' is only available in macOS 13.0 or newer
        proposal: ProposedViewSize,
                  ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:76:10: note: add @available attribute to enclosing instance method
    func explicitAlignment(
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:19:8: note: add @available attribute to enclosing generic struct
struct PlacementLayoutNative<L: PlacementLayout>: Layout {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:14:9: error: 'ProposedViewSize' is only available in macOS 13.0 or newer
        ProposedViewSize(width: width, height: height)
        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:14:9: note: add 'if #available' version check
        ProposedViewSize(width: width, height: height)
        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:13:9: note: add @available attribute to enclosing property
    var proposedViewSize: ProposedViewSize {
        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:12:1: note: add @available attribute to enclosing extension
extension PlacementProposedViewSize {
^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/Coordinator.swift:4:30: error: 'ObservableObject' is only available in macOS 10.15 or newer
class PlacementsCoordinator: ObservableObject {
                             ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/Coordinator.swift:4:7: note: add @available attribute to enclosing class
class PlacementsCoordinator: ObservableObject {
      ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/Coordinator.swift:14:19: error: '_VariadicView' is only available in macOS 10.15 or newer
    var children: _VariadicView.Children? = nil
                  ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/Coordinator.swift:9:7: note: add @available attribute to enclosing generic class
class Coordinator<L: PlacementLayout>: ObservableObject {
      ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/Coordinator.swift:98:33: error: '_VariadicView' is only available in macOS 10.15 or newer
    func makeSubviews(children: _VariadicView.Children) -> PlacementLayoutSubviews {
                                ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/Coordinator.swift:98:10: note: add @available attribute to enclosing instance method
    func makeSubviews(children: _VariadicView.Children) -> PlacementLayoutSubviews {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/Coordinator.swift:9:7: note: add @available attribute to enclosing generic class
class Coordinator<L: PlacementLayout>: ObservableObject {
      ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/Coordinator.swift:172:52: error: cannot find type 'UIHostingController' in scope
    func makeHostingController(id: AnyHashable) -> UIHostingController<AnyView> {
                                                   ^~~~~~~~~~~~~~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/Coordinator.swift:184:30: error: 'Transaction' is only available in macOS 10.15 or newer
    public var transaction = Transaction()
                             ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/Coordinator.swift:9:7: note: add @available attribute to enclosing generic class
class Coordinator<L: PlacementLayout>: ObservableObject {
      ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/Coordinator.swift:186:50: error: cannot find type 'UIHostingController' in scope
    public var hostingControllers: [AnyHashable: UIHostingController<AnyView>] = [:]
                                                 ^~~~~~~~~~~~~~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/Coordinator.swift:9:40: error: 'ObservableObject' is only available in macOS 10.15 or newer
class Coordinator<L: PlacementLayout>: ObservableObject {
                                       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/Coordinator.swift:9:7: note: add @available attribute to enclosing generic class
class Coordinator<L: PlacementLayout>: ObservableObject {
      ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/Coordinator.swift:100:40: warning: conformance of '_VariadicView_Children' to 'Collection' is only available in macOS 10.15 or newer
            let childrenIds = children.map { child in
                                       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/Coordinator.swift:100:40: note: add 'if #available' version check
            let childrenIds = children.map { child in
                                       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/Coordinator.swift:98:10: note: add @available attribute to enclosing instance method
    func makeSubviews(children: _VariadicView.Children) -> PlacementLayoutSubviews {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/Coordinator.swift:9:7: note: add @available attribute to enclosing generic class
class Coordinator<L: PlacementLayout>: ObservableObject {
      ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/Coordinator.swift:137:50: error: cannot find 'UIView' in scope
                            width: size.width ?? UIView.layoutFittingCompressedSize.width,
                                                 ^~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/Coordinator.swift:138:52: error: cannot find 'UIView' in scope
                            height: size.height ?? UIView.layoutFittingCompressedSize.height
                                                   ^~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/Coordinator.swift:177:33: error: cannot find 'UIHostingController' in scope
        let hostingController = UIHostingController(rootView: AnyView(EmptyView()))
                                ^~~~~~~~~~~~~~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:5:6: error: 'EnvironmentObject' is only available in macOS 10.15 or newer
    @EnvironmentObject var coordinator: Coordinator<L>
     ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:6:19: error: '_VariadicView_Children' is only available in macOS 10.15 or newer
    var children: _VariadicView_Children
                  ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:9:35: error: 'ViewDimensions' is only available in macOS 10.15 or newer
    func alignment(in dimensions: ViewDimensions, for guide: VerticalAlignment) -> CGFloat {
                                  ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:9:10: note: add @available attribute to enclosing instance method
    func alignment(in dimensions: ViewDimensions, for guide: VerticalAlignment) -> CGFloat {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:9:62: error: 'VerticalAlignment' is only available in macOS 10.15 or newer
    func alignment(in dimensions: ViewDimensions, for guide: VerticalAlignment) -> CGFloat {
                                                             ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:9:10: note: add @available attribute to enclosing instance method
    func alignment(in dimensions: ViewDimensions, for guide: VerticalAlignment) -> CGFloat {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:25:35: error: 'ViewDimensions' is only available in macOS 10.15 or newer
    func alignment(in dimensions: ViewDimensions, for guide: HorizontalAlignment) -> CGFloat {
                                  ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:25:10: note: add @available attribute to enclosing instance method
    func alignment(in dimensions: ViewDimensions, for guide: HorizontalAlignment) -> CGFloat {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:25:62: error: 'HorizontalAlignment' is only available in macOS 10.15 or newer
    func alignment(in dimensions: ViewDimensions, for guide: HorizontalAlignment) -> CGFloat {
                                                             ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:25:10: note: add @available attribute to enclosing instance method
    func alignment(in dimensions: ViewDimensions, for guide: HorizontalAlignment) -> CGFloat {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:41: error: 'View' is only available in macOS 10.15 or newer
    func body(content: Content) -> some View {
                                        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:43:14: error: 'alignmentGuide(_:computeValue:)' is only available in macOS 10.15 or newer
            .alignmentGuide(VerticalAlignment.top) { d in
             ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:43:29: error: 'VerticalAlignment' is only available in macOS 10.15 or newer
            .alignmentGuide(VerticalAlignment.top) { d in
                            ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:43:47: error: 'top' is only available in macOS 10.15 or newer
            .alignmentGuide(VerticalAlignment.top) { d in
                                              ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:44:39: error: 'VerticalAlignment' is only available in macOS 10.15 or newer
                alignment(in: d, for: VerticalAlignment.top)
                                      ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:44:57: error: 'top' is only available in macOS 10.15 or newer
                alignment(in: d, for: VerticalAlignment.top)
                                                        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:46:14: error: 'alignmentGuide(_:computeValue:)' is only available in macOS 10.15 or newer
            .alignmentGuide(VerticalAlignment.center) { d in
             ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:46:29: error: 'VerticalAlignment' is only available in macOS 10.15 or newer
            .alignmentGuide(VerticalAlignment.center) { d in
                            ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:46:47: error: 'center' is only available in macOS 10.15 or newer
            .alignmentGuide(VerticalAlignment.center) { d in
                                              ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:47:39: error: 'VerticalAlignment' is only available in macOS 10.15 or newer
                alignment(in: d, for: VerticalAlignment.center)
                                      ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:47:57: error: 'center' is only available in macOS 10.15 or newer
                alignment(in: d, for: VerticalAlignment.center)
                                                        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:49:14: error: 'alignmentGuide(_:computeValue:)' is only available in macOS 10.15 or newer
            .alignmentGuide(VerticalAlignment.bottom) { d in
             ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:49:29: error: 'VerticalAlignment' is only available in macOS 10.15 or newer
            .alignmentGuide(VerticalAlignment.bottom) { d in
                            ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:49:47: error: 'bottom' is only available in macOS 10.15 or newer
            .alignmentGuide(VerticalAlignment.bottom) { d in
                                              ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:50:39: error: 'VerticalAlignment' is only available in macOS 10.15 or newer
                alignment(in: d, for: VerticalAlignment.bottom)
                                      ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:50:57: error: 'bottom' is only available in macOS 10.15 or newer
                alignment(in: d, for: VerticalAlignment.bottom)
                                                        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:52:14: error: 'alignmentGuide(_:computeValue:)' is only available in macOS 10.15 or newer
            .alignmentGuide(VerticalAlignment.firstTextBaseline) { d in
             ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:52:29: error: 'VerticalAlignment' is only available in macOS 10.15 or newer
            .alignmentGuide(VerticalAlignment.firstTextBaseline) { d in
                            ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:52:47: error: 'firstTextBaseline' is only available in macOS 10.15 or newer
            .alignmentGuide(VerticalAlignment.firstTextBaseline) { d in
                                              ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:53:39: error: 'VerticalAlignment' is only available in macOS 10.15 or newer
                alignment(in: d, for: VerticalAlignment.firstTextBaseline)
                                      ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:53:57: error: 'firstTextBaseline' is only available in macOS 10.15 or newer
                alignment(in: d, for: VerticalAlignment.firstTextBaseline)
                                                        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:55:14: error: 'alignmentGuide(_:computeValue:)' is only available in macOS 10.15 or newer
            .alignmentGuide(VerticalAlignment.lastTextBaseline) { d in
             ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:55:29: error: 'VerticalAlignment' is only available in macOS 10.15 or newer
            .alignmentGuide(VerticalAlignment.lastTextBaseline) { d in
                            ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:55:47: error: 'lastTextBaseline' is only available in macOS 10.15 or newer
            .alignmentGuide(VerticalAlignment.lastTextBaseline) { d in
                                              ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:56:39: error: 'VerticalAlignment' is only available in macOS 10.15 or newer
                alignment(in: d, for: VerticalAlignment.lastTextBaseline)
                                      ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:56:57: error: 'lastTextBaseline' is only available in macOS 10.15 or newer
                alignment(in: d, for: VerticalAlignment.lastTextBaseline)
                                                        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:58:14: error: 'alignmentGuide(_:computeValue:)' is only available in macOS 10.15 or newer
            .alignmentGuide(HorizontalAlignment.leading) { d in
             ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:58:29: error: 'HorizontalAlignment' is only available in macOS 10.15 or newer
            .alignmentGuide(HorizontalAlignment.leading) { d in
                            ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:58:49: error: 'leading' is only available in macOS 10.15 or newer
            .alignmentGuide(HorizontalAlignment.leading) { d in
                                                ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:59:39: error: 'HorizontalAlignment' is only available in macOS 10.15 or newer
                alignment(in: d, for: HorizontalAlignment.leading)
                                      ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:59:59: error: 'leading' is only available in macOS 10.15 or newer
                alignment(in: d, for: HorizontalAlignment.leading)
                                                          ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:61:14: error: 'alignmentGuide(_:computeValue:)' is only available in macOS 10.15 or newer
            .alignmentGuide(HorizontalAlignment.center) { d in
             ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:61:29: error: 'HorizontalAlignment' is only available in macOS 10.15 or newer
            .alignmentGuide(HorizontalAlignment.center) { d in
                            ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:61:49: error: 'center' is only available in macOS 10.15 or newer
            .alignmentGuide(HorizontalAlignment.center) { d in
                                                ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:62:39: error: 'HorizontalAlignment' is only available in macOS 10.15 or newer
                alignment(in: d, for: HorizontalAlignment.center)
                                      ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:62:59: error: 'center' is only available in macOS 10.15 or newer
                alignment(in: d, for: HorizontalAlignment.center)
                                                          ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:64:14: error: 'alignmentGuide(_:computeValue:)' is only available in macOS 10.15 or newer
            .alignmentGuide(HorizontalAlignment.trailing) { d in
             ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:64:14: note: add 'if #available' version check
            .alignmentGuide(HorizontalAlignment.trailing) { d in
             ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:64:29: error: 'HorizontalAlignment' is only available in macOS 10.15 or newer
            .alignmentGuide(HorizontalAlignment.trailing) { d in
                            ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:64:29: note: add 'if #available' version check
            .alignmentGuide(HorizontalAlignment.trailing) { d in
                            ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:64:49: error: 'trailing' is only available in macOS 10.15 or newer
            .alignmentGuide(HorizontalAlignment.trailing) { d in
                                                ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:64:49: note: add 'if #available' version check
            .alignmentGuide(HorizontalAlignment.trailing) { d in
                                                ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:65:39: error: 'HorizontalAlignment' is only available in macOS 10.15 or newer
                alignment(in: d, for: HorizontalAlignment.trailing)
                                      ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:65:39: note: add 'if #available' version check
                alignment(in: d, for: HorizontalAlignment.trailing)
                                      ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:65:59: error: 'trailing' is only available in macOS 10.15 or newer
                alignment(in: d, for: HorizontalAlignment.trailing)
                                                          ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:65:59: note: add 'if #available' version check
                alignment(in: d, for: HorizontalAlignment.trailing)
                                                          ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
[30/31] Compiling Placement Coordinator.swift
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:5:11: error: 'ProposedViewSize' is only available in macOS 13.0 or newer
extension ProposedViewSize {
          ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:5:1: note: add @available attribute to enclosing extension
extension ProposedViewSize {
^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:13:27: error: 'ProposedViewSize' is only available in macOS 13.0 or newer
    var proposedViewSize: ProposedViewSize {
                          ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:13:9: note: add @available attribute to enclosing property
    var proposedViewSize: ProposedViewSize {
        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:12:1: note: add @available attribute to enclosing extension
extension PlacementProposedViewSize {
^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:35:19: error: 'ProposedViewSize' is only available in macOS 13.0 or newer
        proposal: ProposedViewSize,
                  ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:34:10: note: add @available attribute to enclosing instance method
    func sizeThatFits(
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:19:8: note: add @available attribute to enclosing generic struct
struct PlacementLayoutNative<L: PlacementLayout>: Layout {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:48:19: error: 'ProposedViewSize' is only available in macOS 13.0 or newer
        proposal: ProposedViewSize,
                  ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:46:10: note: add @available attribute to enclosing instance method
    func placeSubviews(
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:19:8: note: add @available attribute to enclosing generic struct
struct PlacementLayoutNative<L: PlacementLayout>: Layout {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:61:19: error: 'VerticalAlignment' is only available in macOS 10.15 or newer
        of guide: VerticalAlignment,
                  ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:60:10: note: add @available attribute to enclosing instance method
    func explicitAlignment(
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:19:8: note: add @available attribute to enclosing generic struct
struct PlacementLayoutNative<L: PlacementLayout>: Layout {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:63:19: error: 'ProposedViewSize' is only available in macOS 13.0 or newer
        proposal: ProposedViewSize,
                  ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:60:10: note: add @available attribute to enclosing instance method
    func explicitAlignment(
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:19:8: note: add @available attribute to enclosing generic struct
struct PlacementLayoutNative<L: PlacementLayout>: Layout {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:77:19: error: 'HorizontalAlignment' is only available in macOS 10.15 or newer
        of guide: HorizontalAlignment,
                  ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:76:10: note: add @available attribute to enclosing instance method
    func explicitAlignment(
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:19:8: note: add @available attribute to enclosing generic struct
struct PlacementLayoutNative<L: PlacementLayout>: Layout {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:79:19: error: 'ProposedViewSize' is only available in macOS 13.0 or newer
        proposal: ProposedViewSize,
                  ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:76:10: note: add @available attribute to enclosing instance method
    func explicitAlignment(
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:19:8: note: add @available attribute to enclosing generic struct
struct PlacementLayoutNative<L: PlacementLayout>: Layout {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:14:9: error: 'ProposedViewSize' is only available in macOS 13.0 or newer
        ProposedViewSize(width: width, height: height)
        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:14:9: note: add 'if #available' version check
        ProposedViewSize(width: width, height: height)
        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:13:9: note: add @available attribute to enclosing property
    var proposedViewSize: ProposedViewSize {
        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:12:1: note: add @available attribute to enclosing extension
extension PlacementProposedViewSize {
^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/Coordinator.swift:4:30: error: 'ObservableObject' is only available in macOS 10.15 or newer
class PlacementsCoordinator: ObservableObject {
                             ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/Coordinator.swift:4:7: note: add @available attribute to enclosing class
class PlacementsCoordinator: ObservableObject {
      ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/Coordinator.swift:14:19: error: '_VariadicView' is only available in macOS 10.15 or newer
    var children: _VariadicView.Children? = nil
                  ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/Coordinator.swift:9:7: note: add @available attribute to enclosing generic class
class Coordinator<L: PlacementLayout>: ObservableObject {
      ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/Coordinator.swift:98:33: error: '_VariadicView' is only available in macOS 10.15 or newer
    func makeSubviews(children: _VariadicView.Children) -> PlacementLayoutSubviews {
                                ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/Coordinator.swift:98:10: note: add @available attribute to enclosing instance method
    func makeSubviews(children: _VariadicView.Children) -> PlacementLayoutSubviews {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/Coordinator.swift:9:7: note: add @available attribute to enclosing generic class
class Coordinator<L: PlacementLayout>: ObservableObject {
      ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/Coordinator.swift:172:52: error: cannot find type 'UIHostingController' in scope
    func makeHostingController(id: AnyHashable) -> UIHostingController<AnyView> {
                                                   ^~~~~~~~~~~~~~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/Coordinator.swift:184:30: error: 'Transaction' is only available in macOS 10.15 or newer
    public var transaction = Transaction()
                             ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/Coordinator.swift:9:7: note: add @available attribute to enclosing generic class
class Coordinator<L: PlacementLayout>: ObservableObject {
      ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/Coordinator.swift:186:50: error: cannot find type 'UIHostingController' in scope
    public var hostingControllers: [AnyHashable: UIHostingController<AnyView>] = [:]
                                                 ^~~~~~~~~~~~~~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/Coordinator.swift:9:40: error: 'ObservableObject' is only available in macOS 10.15 or newer
class Coordinator<L: PlacementLayout>: ObservableObject {
                                       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/Coordinator.swift:9:7: note: add @available attribute to enclosing generic class
class Coordinator<L: PlacementLayout>: ObservableObject {
      ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/Coordinator.swift:100:40: warning: conformance of '_VariadicView_Children' to 'Collection' is only available in macOS 10.15 or newer
            let childrenIds = children.map { child in
                                       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/Coordinator.swift:100:40: note: add 'if #available' version check
            let childrenIds = children.map { child in
                                       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/Coordinator.swift:98:10: note: add @available attribute to enclosing instance method
    func makeSubviews(children: _VariadicView.Children) -> PlacementLayoutSubviews {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/Coordinator.swift:9:7: note: add @available attribute to enclosing generic class
class Coordinator<L: PlacementLayout>: ObservableObject {
      ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/Coordinator.swift:137:50: error: cannot find 'UIView' in scope
                            width: size.width ?? UIView.layoutFittingCompressedSize.width,
                                                 ^~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/Coordinator.swift:138:52: error: cannot find 'UIView' in scope
                            height: size.height ?? UIView.layoutFittingCompressedSize.height
                                                   ^~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/Coordinator.swift:177:33: error: cannot find 'UIHostingController' in scope
        let hostingController = UIHostingController(rootView: AnyView(EmptyView()))
                                ^~~~~~~~~~~~~~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:5:6: error: 'EnvironmentObject' is only available in macOS 10.15 or newer
    @EnvironmentObject var coordinator: Coordinator<L>
     ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:6:19: error: '_VariadicView_Children' is only available in macOS 10.15 or newer
    var children: _VariadicView_Children
                  ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:9:35: error: 'ViewDimensions' is only available in macOS 10.15 or newer
    func alignment(in dimensions: ViewDimensions, for guide: VerticalAlignment) -> CGFloat {
                                  ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:9:10: note: add @available attribute to enclosing instance method
    func alignment(in dimensions: ViewDimensions, for guide: VerticalAlignment) -> CGFloat {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:9:62: error: 'VerticalAlignment' is only available in macOS 10.15 or newer
    func alignment(in dimensions: ViewDimensions, for guide: VerticalAlignment) -> CGFloat {
                                                             ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:9:10: note: add @available attribute to enclosing instance method
    func alignment(in dimensions: ViewDimensions, for guide: VerticalAlignment) -> CGFloat {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:25:35: error: 'ViewDimensions' is only available in macOS 10.15 or newer
    func alignment(in dimensions: ViewDimensions, for guide: HorizontalAlignment) -> CGFloat {
                                  ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:25:10: note: add @available attribute to enclosing instance method
    func alignment(in dimensions: ViewDimensions, for guide: HorizontalAlignment) -> CGFloat {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:25:62: error: 'HorizontalAlignment' is only available in macOS 10.15 or newer
    func alignment(in dimensions: ViewDimensions, for guide: HorizontalAlignment) -> CGFloat {
                                                             ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:25:10: note: add @available attribute to enclosing instance method
    func alignment(in dimensions: ViewDimensions, for guide: HorizontalAlignment) -> CGFloat {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:41: error: 'View' is only available in macOS 10.15 or newer
    func body(content: Content) -> some View {
                                        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:43:14: error: 'alignmentGuide(_:computeValue:)' is only available in macOS 10.15 or newer
            .alignmentGuide(VerticalAlignment.top) { d in
             ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:43:29: error: 'VerticalAlignment' is only available in macOS 10.15 or newer
            .alignmentGuide(VerticalAlignment.top) { d in
                            ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:43:47: error: 'top' is only available in macOS 10.15 or newer
            .alignmentGuide(VerticalAlignment.top) { d in
                                              ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:44:39: error: 'VerticalAlignment' is only available in macOS 10.15 or newer
                alignment(in: d, for: VerticalAlignment.top)
                                      ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:44:57: error: 'top' is only available in macOS 10.15 or newer
                alignment(in: d, for: VerticalAlignment.top)
                                                        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:46:14: error: 'alignmentGuide(_:computeValue:)' is only available in macOS 10.15 or newer
            .alignmentGuide(VerticalAlignment.center) { d in
             ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:46:29: error: 'VerticalAlignment' is only available in macOS 10.15 or newer
            .alignmentGuide(VerticalAlignment.center) { d in
                            ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:46:47: error: 'center' is only available in macOS 10.15 or newer
            .alignmentGuide(VerticalAlignment.center) { d in
                                              ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:47:39: error: 'VerticalAlignment' is only available in macOS 10.15 or newer
                alignment(in: d, for: VerticalAlignment.center)
                                      ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:47:57: error: 'center' is only available in macOS 10.15 or newer
                alignment(in: d, for: VerticalAlignment.center)
                                                        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:49:14: error: 'alignmentGuide(_:computeValue:)' is only available in macOS 10.15 or newer
            .alignmentGuide(VerticalAlignment.bottom) { d in
             ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:49:29: error: 'VerticalAlignment' is only available in macOS 10.15 or newer
            .alignmentGuide(VerticalAlignment.bottom) { d in
                            ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:49:47: error: 'bottom' is only available in macOS 10.15 or newer
            .alignmentGuide(VerticalAlignment.bottom) { d in
                                              ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:50:39: error: 'VerticalAlignment' is only available in macOS 10.15 or newer
                alignment(in: d, for: VerticalAlignment.bottom)
                                      ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:50:57: error: 'bottom' is only available in macOS 10.15 or newer
                alignment(in: d, for: VerticalAlignment.bottom)
                                                        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:52:14: error: 'alignmentGuide(_:computeValue:)' is only available in macOS 10.15 or newer
            .alignmentGuide(VerticalAlignment.firstTextBaseline) { d in
             ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:52:29: error: 'VerticalAlignment' is only available in macOS 10.15 or newer
            .alignmentGuide(VerticalAlignment.firstTextBaseline) { d in
                            ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:52:47: error: 'firstTextBaseline' is only available in macOS 10.15 or newer
            .alignmentGuide(VerticalAlignment.firstTextBaseline) { d in
                                              ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:53:39: error: 'VerticalAlignment' is only available in macOS 10.15 or newer
                alignment(in: d, for: VerticalAlignment.firstTextBaseline)
                                      ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:53:57: error: 'firstTextBaseline' is only available in macOS 10.15 or newer
                alignment(in: d, for: VerticalAlignment.firstTextBaseline)
                                                        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:55:14: error: 'alignmentGuide(_:computeValue:)' is only available in macOS 10.15 or newer
            .alignmentGuide(VerticalAlignment.lastTextBaseline) { d in
             ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:55:29: error: 'VerticalAlignment' is only available in macOS 10.15 or newer
            .alignmentGuide(VerticalAlignment.lastTextBaseline) { d in
                            ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:55:47: error: 'lastTextBaseline' is only available in macOS 10.15 or newer
            .alignmentGuide(VerticalAlignment.lastTextBaseline) { d in
                                              ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:56:39: error: 'VerticalAlignment' is only available in macOS 10.15 or newer
                alignment(in: d, for: VerticalAlignment.lastTextBaseline)
                                      ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:56:57: error: 'lastTextBaseline' is only available in macOS 10.15 or newer
                alignment(in: d, for: VerticalAlignment.lastTextBaseline)
                                                        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:58:14: error: 'alignmentGuide(_:computeValue:)' is only available in macOS 10.15 or newer
            .alignmentGuide(HorizontalAlignment.leading) { d in
             ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:58:29: error: 'HorizontalAlignment' is only available in macOS 10.15 or newer
            .alignmentGuide(HorizontalAlignment.leading) { d in
                            ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:58:49: error: 'leading' is only available in macOS 10.15 or newer
            .alignmentGuide(HorizontalAlignment.leading) { d in
                                                ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:59:39: error: 'HorizontalAlignment' is only available in macOS 10.15 or newer
                alignment(in: d, for: HorizontalAlignment.leading)
                                      ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:59:59: error: 'leading' is only available in macOS 10.15 or newer
                alignment(in: d, for: HorizontalAlignment.leading)
                                                          ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:61:14: error: 'alignmentGuide(_:computeValue:)' is only available in macOS 10.15 or newer
            .alignmentGuide(HorizontalAlignment.center) { d in
             ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:61:29: error: 'HorizontalAlignment' is only available in macOS 10.15 or newer
            .alignmentGuide(HorizontalAlignment.center) { d in
                            ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:61:49: error: 'center' is only available in macOS 10.15 or newer
            .alignmentGuide(HorizontalAlignment.center) { d in
                                                ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:62:39: error: 'HorizontalAlignment' is only available in macOS 10.15 or newer
                alignment(in: d, for: HorizontalAlignment.center)
                                      ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:62:59: error: 'center' is only available in macOS 10.15 or newer
                alignment(in: d, for: HorizontalAlignment.center)
                                                          ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:64:14: error: 'alignmentGuide(_:computeValue:)' is only available in macOS 10.15 or newer
            .alignmentGuide(HorizontalAlignment.trailing) { d in
             ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:64:14: note: add 'if #available' version check
            .alignmentGuide(HorizontalAlignment.trailing) { d in
             ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:64:29: error: 'HorizontalAlignment' is only available in macOS 10.15 or newer
            .alignmentGuide(HorizontalAlignment.trailing) { d in
                            ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:64:29: note: add 'if #available' version check
            .alignmentGuide(HorizontalAlignment.trailing) { d in
                            ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:64:49: error: 'trailing' is only available in macOS 10.15 or newer
            .alignmentGuide(HorizontalAlignment.trailing) { d in
                                                ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:64:49: note: add 'if #available' version check
            .alignmentGuide(HorizontalAlignment.trailing) { d in
                                                ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:65:39: error: 'HorizontalAlignment' is only available in macOS 10.15 or newer
                alignment(in: d, for: HorizontalAlignment.trailing)
                                      ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:65:39: note: add 'if #available' version check
                alignment(in: d, for: HorizontalAlignment.trailing)
                                      ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:65:59: error: 'trailing' is only available in macOS 10.15 or newer
                alignment(in: d, for: HorizontalAlignment.trailing)
                                                          ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:65:59: note: add 'if #available' version check
                alignment(in: d, for: HorizontalAlignment.trailing)
                                                          ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
[31/31] Compiling Placement ExplicitAlignmentModifier.swift
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:5:11: error: 'ProposedViewSize' is only available in macOS 13.0 or newer
extension ProposedViewSize {
          ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:5:1: note: add @available attribute to enclosing extension
extension ProposedViewSize {
^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:13:27: error: 'ProposedViewSize' is only available in macOS 13.0 or newer
    var proposedViewSize: ProposedViewSize {
                          ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:13:9: note: add @available attribute to enclosing property
    var proposedViewSize: ProposedViewSize {
        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:12:1: note: add @available attribute to enclosing extension
extension PlacementProposedViewSize {
^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:35:19: error: 'ProposedViewSize' is only available in macOS 13.0 or newer
        proposal: ProposedViewSize,
                  ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:34:10: note: add @available attribute to enclosing instance method
    func sizeThatFits(
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:19:8: note: add @available attribute to enclosing generic struct
struct PlacementLayoutNative<L: PlacementLayout>: Layout {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:48:19: error: 'ProposedViewSize' is only available in macOS 13.0 or newer
        proposal: ProposedViewSize,
                  ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:46:10: note: add @available attribute to enclosing instance method
    func placeSubviews(
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:19:8: note: add @available attribute to enclosing generic struct
struct PlacementLayoutNative<L: PlacementLayout>: Layout {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:61:19: error: 'VerticalAlignment' is only available in macOS 10.15 or newer
        of guide: VerticalAlignment,
                  ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:60:10: note: add @available attribute to enclosing instance method
    func explicitAlignment(
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:19:8: note: add @available attribute to enclosing generic struct
struct PlacementLayoutNative<L: PlacementLayout>: Layout {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:63:19: error: 'ProposedViewSize' is only available in macOS 13.0 or newer
        proposal: ProposedViewSize,
                  ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:60:10: note: add @available attribute to enclosing instance method
    func explicitAlignment(
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:19:8: note: add @available attribute to enclosing generic struct
struct PlacementLayoutNative<L: PlacementLayout>: Layout {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:77:19: error: 'HorizontalAlignment' is only available in macOS 10.15 or newer
        of guide: HorizontalAlignment,
                  ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:76:10: note: add @available attribute to enclosing instance method
    func explicitAlignment(
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:19:8: note: add @available attribute to enclosing generic struct
struct PlacementLayoutNative<L: PlacementLayout>: Layout {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:79:19: error: 'ProposedViewSize' is only available in macOS 13.0 or newer
        proposal: ProposedViewSize,
                  ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:76:10: note: add @available attribute to enclosing instance method
    func explicitAlignment(
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:19:8: note: add @available attribute to enclosing generic struct
struct PlacementLayoutNative<L: PlacementLayout>: Layout {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:14:9: error: 'ProposedViewSize' is only available in macOS 13.0 or newer
        ProposedViewSize(width: width, height: height)
        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:14:9: note: add 'if #available' version check
        ProposedViewSize(width: width, height: height)
        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:13:9: note: add @available attribute to enclosing property
    var proposedViewSize: ProposedViewSize {
        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/LayoutProtocol/PlacementLayoutNative.swift:12:1: note: add @available attribute to enclosing extension
extension PlacementProposedViewSize {
^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/Coordinator.swift:4:30: error: 'ObservableObject' is only available in macOS 10.15 or newer
class PlacementsCoordinator: ObservableObject {
                             ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/Coordinator.swift:4:7: note: add @available attribute to enclosing class
class PlacementsCoordinator: ObservableObject {
      ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/Coordinator.swift:14:19: error: '_VariadicView' is only available in macOS 10.15 or newer
    var children: _VariadicView.Children? = nil
                  ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/Coordinator.swift:9:7: note: add @available attribute to enclosing generic class
class Coordinator<L: PlacementLayout>: ObservableObject {
      ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/Coordinator.swift:98:33: error: '_VariadicView' is only available in macOS 10.15 or newer
    func makeSubviews(children: _VariadicView.Children) -> PlacementLayoutSubviews {
                                ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/Coordinator.swift:98:10: note: add @available attribute to enclosing instance method
    func makeSubviews(children: _VariadicView.Children) -> PlacementLayoutSubviews {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/Coordinator.swift:9:7: note: add @available attribute to enclosing generic class
class Coordinator<L: PlacementLayout>: ObservableObject {
      ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/Coordinator.swift:172:52: error: cannot find type 'UIHostingController' in scope
    func makeHostingController(id: AnyHashable) -> UIHostingController<AnyView> {
                                                   ^~~~~~~~~~~~~~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/Coordinator.swift:184:30: error: 'Transaction' is only available in macOS 10.15 or newer
    public var transaction = Transaction()
                             ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/Coordinator.swift:9:7: note: add @available attribute to enclosing generic class
class Coordinator<L: PlacementLayout>: ObservableObject {
      ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/Coordinator.swift:186:50: error: cannot find type 'UIHostingController' in scope
    public var hostingControllers: [AnyHashable: UIHostingController<AnyView>] = [:]
                                                 ^~~~~~~~~~~~~~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/Coordinator.swift:9:40: error: 'ObservableObject' is only available in macOS 10.15 or newer
class Coordinator<L: PlacementLayout>: ObservableObject {
                                       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/Coordinator.swift:9:7: note: add @available attribute to enclosing generic class
class Coordinator<L: PlacementLayout>: ObservableObject {
      ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/Coordinator.swift:100:40: warning: conformance of '_VariadicView_Children' to 'Collection' is only available in macOS 10.15 or newer
            let childrenIds = children.map { child in
                                       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/Coordinator.swift:100:40: note: add 'if #available' version check
            let childrenIds = children.map { child in
                                       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/Coordinator.swift:98:10: note: add @available attribute to enclosing instance method
    func makeSubviews(children: _VariadicView.Children) -> PlacementLayoutSubviews {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/Coordinator.swift:9:7: note: add @available attribute to enclosing generic class
class Coordinator<L: PlacementLayout>: ObservableObject {
      ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/Coordinator.swift:137:50: error: cannot find 'UIView' in scope
                            width: size.width ?? UIView.layoutFittingCompressedSize.width,
                                                 ^~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/Coordinator.swift:138:52: error: cannot find 'UIView' in scope
                            height: size.height ?? UIView.layoutFittingCompressedSize.height
                                                   ^~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/Coordinator.swift:177:33: error: cannot find 'UIHostingController' in scope
        let hostingController = UIHostingController(rootView: AnyView(EmptyView()))
                                ^~~~~~~~~~~~~~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:5:6: error: 'EnvironmentObject' is only available in macOS 10.15 or newer
    @EnvironmentObject var coordinator: Coordinator<L>
     ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:6:19: error: '_VariadicView_Children' is only available in macOS 10.15 or newer
    var children: _VariadicView_Children
                  ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:9:35: error: 'ViewDimensions' is only available in macOS 10.15 or newer
    func alignment(in dimensions: ViewDimensions, for guide: VerticalAlignment) -> CGFloat {
                                  ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:9:10: note: add @available attribute to enclosing instance method
    func alignment(in dimensions: ViewDimensions, for guide: VerticalAlignment) -> CGFloat {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:9:62: error: 'VerticalAlignment' is only available in macOS 10.15 or newer
    func alignment(in dimensions: ViewDimensions, for guide: VerticalAlignment) -> CGFloat {
                                                             ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:9:10: note: add @available attribute to enclosing instance method
    func alignment(in dimensions: ViewDimensions, for guide: VerticalAlignment) -> CGFloat {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:25:35: error: 'ViewDimensions' is only available in macOS 10.15 or newer
    func alignment(in dimensions: ViewDimensions, for guide: HorizontalAlignment) -> CGFloat {
                                  ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:25:10: note: add @available attribute to enclosing instance method
    func alignment(in dimensions: ViewDimensions, for guide: HorizontalAlignment) -> CGFloat {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:25:62: error: 'HorizontalAlignment' is only available in macOS 10.15 or newer
    func alignment(in dimensions: ViewDimensions, for guide: HorizontalAlignment) -> CGFloat {
                                                             ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:25:10: note: add @available attribute to enclosing instance method
    func alignment(in dimensions: ViewDimensions, for guide: HorizontalAlignment) -> CGFloat {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:41: error: 'View' is only available in macOS 10.15 or newer
    func body(content: Content) -> some View {
                                        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:43:14: error: 'alignmentGuide(_:computeValue:)' is only available in macOS 10.15 or newer
            .alignmentGuide(VerticalAlignment.top) { d in
             ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:43:29: error: 'VerticalAlignment' is only available in macOS 10.15 or newer
            .alignmentGuide(VerticalAlignment.top) { d in
                            ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:43:47: error: 'top' is only available in macOS 10.15 or newer
            .alignmentGuide(VerticalAlignment.top) { d in
                                              ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:44:39: error: 'VerticalAlignment' is only available in macOS 10.15 or newer
                alignment(in: d, for: VerticalAlignment.top)
                                      ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:44:57: error: 'top' is only available in macOS 10.15 or newer
                alignment(in: d, for: VerticalAlignment.top)
                                                        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:46:14: error: 'alignmentGuide(_:computeValue:)' is only available in macOS 10.15 or newer
            .alignmentGuide(VerticalAlignment.center) { d in
             ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:46:29: error: 'VerticalAlignment' is only available in macOS 10.15 or newer
            .alignmentGuide(VerticalAlignment.center) { d in
                            ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:46:47: error: 'center' is only available in macOS 10.15 or newer
            .alignmentGuide(VerticalAlignment.center) { d in
                                              ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:47:39: error: 'VerticalAlignment' is only available in macOS 10.15 or newer
                alignment(in: d, for: VerticalAlignment.center)
                                      ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:47:57: error: 'center' is only available in macOS 10.15 or newer
                alignment(in: d, for: VerticalAlignment.center)
                                                        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:49:14: error: 'alignmentGuide(_:computeValue:)' is only available in macOS 10.15 or newer
            .alignmentGuide(VerticalAlignment.bottom) { d in
             ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:49:29: error: 'VerticalAlignment' is only available in macOS 10.15 or newer
            .alignmentGuide(VerticalAlignment.bottom) { d in
                            ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:49:47: error: 'bottom' is only available in macOS 10.15 or newer
            .alignmentGuide(VerticalAlignment.bottom) { d in
                                              ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:50:39: error: 'VerticalAlignment' is only available in macOS 10.15 or newer
                alignment(in: d, for: VerticalAlignment.bottom)
                                      ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:50:57: error: 'bottom' is only available in macOS 10.15 or newer
                alignment(in: d, for: VerticalAlignment.bottom)
                                                        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:52:14: error: 'alignmentGuide(_:computeValue:)' is only available in macOS 10.15 or newer
            .alignmentGuide(VerticalAlignment.firstTextBaseline) { d in
             ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:52:29: error: 'VerticalAlignment' is only available in macOS 10.15 or newer
            .alignmentGuide(VerticalAlignment.firstTextBaseline) { d in
                            ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:52:47: error: 'firstTextBaseline' is only available in macOS 10.15 or newer
            .alignmentGuide(VerticalAlignment.firstTextBaseline) { d in
                                              ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:53:39: error: 'VerticalAlignment' is only available in macOS 10.15 or newer
                alignment(in: d, for: VerticalAlignment.firstTextBaseline)
                                      ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:53:57: error: 'firstTextBaseline' is only available in macOS 10.15 or newer
                alignment(in: d, for: VerticalAlignment.firstTextBaseline)
                                                        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:55:14: error: 'alignmentGuide(_:computeValue:)' is only available in macOS 10.15 or newer
            .alignmentGuide(VerticalAlignment.lastTextBaseline) { d in
             ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:55:29: error: 'VerticalAlignment' is only available in macOS 10.15 or newer
            .alignmentGuide(VerticalAlignment.lastTextBaseline) { d in
                            ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:55:47: error: 'lastTextBaseline' is only available in macOS 10.15 or newer
            .alignmentGuide(VerticalAlignment.lastTextBaseline) { d in
                                              ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:56:39: error: 'VerticalAlignment' is only available in macOS 10.15 or newer
                alignment(in: d, for: VerticalAlignment.lastTextBaseline)
                                      ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:56:57: error: 'lastTextBaseline' is only available in macOS 10.15 or newer
                alignment(in: d, for: VerticalAlignment.lastTextBaseline)
                                                        ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:58:14: error: 'alignmentGuide(_:computeValue:)' is only available in macOS 10.15 or newer
            .alignmentGuide(HorizontalAlignment.leading) { d in
             ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:58:29: error: 'HorizontalAlignment' is only available in macOS 10.15 or newer
            .alignmentGuide(HorizontalAlignment.leading) { d in
                            ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:58:49: error: 'leading' is only available in macOS 10.15 or newer
            .alignmentGuide(HorizontalAlignment.leading) { d in
                                                ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:59:39: error: 'HorizontalAlignment' is only available in macOS 10.15 or newer
                alignment(in: d, for: HorizontalAlignment.leading)
                                      ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:59:59: error: 'leading' is only available in macOS 10.15 or newer
                alignment(in: d, for: HorizontalAlignment.leading)
                                                          ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:61:14: error: 'alignmentGuide(_:computeValue:)' is only available in macOS 10.15 or newer
            .alignmentGuide(HorizontalAlignment.center) { d in
             ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:61:29: error: 'HorizontalAlignment' is only available in macOS 10.15 or newer
            .alignmentGuide(HorizontalAlignment.center) { d in
                            ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:61:49: error: 'center' is only available in macOS 10.15 or newer
            .alignmentGuide(HorizontalAlignment.center) { d in
                                                ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:62:39: error: 'HorizontalAlignment' is only available in macOS 10.15 or newer
                alignment(in: d, for: HorizontalAlignment.center)
                                      ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:62:59: error: 'center' is only available in macOS 10.15 or newer
                alignment(in: d, for: HorizontalAlignment.center)
                                                          ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:64:14: error: 'alignmentGuide(_:computeValue:)' is only available in macOS 10.15 or newer
            .alignmentGuide(HorizontalAlignment.trailing) { d in
             ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:64:14: note: add 'if #available' version check
            .alignmentGuide(HorizontalAlignment.trailing) { d in
             ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:64:29: error: 'HorizontalAlignment' is only available in macOS 10.15 or newer
            .alignmentGuide(HorizontalAlignment.trailing) { d in
                            ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:64:29: note: add 'if #available' version check
            .alignmentGuide(HorizontalAlignment.trailing) { d in
                            ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:64:49: error: 'trailing' is only available in macOS 10.15 or newer
            .alignmentGuide(HorizontalAlignment.trailing) { d in
                                                ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:64:49: note: add 'if #available' version check
            .alignmentGuide(HorizontalAlignment.trailing) { d in
                                                ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:65:39: error: 'HorizontalAlignment' is only available in macOS 10.15 or newer
                alignment(in: d, for: HorizontalAlignment.trailing)
                                      ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:65:39: note: add 'if #available' version check
                alignment(in: d, for: HorizontalAlignment.trailing)
                                      ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:65:59: error: 'trailing' is only available in macOS 10.15 or newer
                alignment(in: d, for: HorizontalAlignment.trailing)
                                                          ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:65:59: note: add 'if #available' version check
                alignment(in: d, for: HorizontalAlignment.trailing)
                                                          ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:41:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/Placement/Layouting/ExplicitAlignmentModifier.swift:4:8: note: add @available attribute to enclosing generic struct
struct ExplicitAlignmentModifier<L: PlacementLayout>: ViewModifier {
       ^
error: fatalError
BUILD FAILURE 5.9 macosSpm