PianoKeyboard – Build Information

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Build Information

Failed to build PianoKeyboard, reference 1.2.4 (c21b38), with Swift 5.10 for macOS (SPM) on 4 May 2025 02:24:49 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-15.4.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.61.3
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/garynewby/PianoKeyboard.git
Reference: 1.2.4
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/garynewby/PianoKeyboard
 * tag               1.2.4      -> FETCH_HEAD
HEAD is now at c21b387 Screen images
Cloned https://github.com/garynewby/PianoKeyboard.git
Revision (git rev-parse @):
c21b387b8e8d843144f7b221257d14a5bb99ae27
SUCCESS checkout https://github.com/garynewby/PianoKeyboard.git at 1.2.4
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             5.10
Building package at path:  $PWD
https://github.com/garynewby/PianoKeyboard.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.4.0.app xcrun swift build --arch arm64
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-33747A42983211AE.txt
[3/12] Compiling PianoKeyboard PianoKeyViewModel.swift
[4/12] Compiling PianoKeyboard PianoKeyboardViewModel.swift
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:17:6: error: 'Published' is only available in macOS 10.15 or newer
    @Published public var keys: [PianoKeyViewModel] = []
     ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:15:14: note: add @available attribute to enclosing class
public class PianoKeyboardViewModel: ObservableObject {
             ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:18:6: error: 'Published' is only available in macOS 10.15 or newer
    @Published public var keysPressed: [String] = []
     ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:15:14: note: add @available attribute to enclosing class
public class PianoKeyboardViewModel: ObservableObject {
             ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:19:6: error: 'Published' is only available in macOS 10.15 or newer
    @Published public var latch = false {
     ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:15:14: note: add @available attribute to enclosing class
public class PianoKeyboardViewModel: ObservableObject {
             ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:15:38: error: 'ObservableObject' is only available in macOS 10.15 or newer
public class PianoKeyboardViewModel: ObservableObject {
                                     ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:15:14: note: add @available attribute to enclosing class
public class PianoKeyboardViewModel: ObservableObject {
             ^
<unknown>:0: error: key path value type 'KeyPath<PianoKeyboardViewModel, [PianoKeyViewModel]>' cannot be converted to contextual type 'ReferenceWritableKeyPath<PianoKeyboardViewModel, [PianoKeyViewModel]>'
<unknown>:0: error: key path value type 'KeyPath<PianoKeyboardViewModel, [String]>' cannot be converted to contextual type 'ReferenceWritableKeyPath<PianoKeyboardViewModel, [String]>'
<unknown>:0: error: key path value type 'KeyPath<PianoKeyboardViewModel, Bool>' cannot be converted to contextual type 'ReferenceWritableKeyPath<PianoKeyboardViewModel, Bool>'
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:47:9: error: setter for 'keys' is only available in macOS 10.15 or newer
        keys = Array(repeating: PianoKeyViewModel(keyIndex: 0, noteOffset: noteOffset), count: numberOfKeys)
        ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:47:9: note: add 'if #available' version check
        keys = Array(repeating: PianoKeyViewModel(keyIndex: 0, noteOffset: noteOffset), count: numberOfKeys)
        ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:46:18: note: add @available attribute to enclosing instance method
    private func configureKeys() {
                 ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:15:14: note: add @available attribute to enclosing class
public class PianoKeyboardViewModel: ObservableObject {
             ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:51:13: error: cannot pass as inout because setter for 'keys' is only available in macOS 10.15 or newer
            keys[i] = PianoKeyViewModel(keyIndex: i, noteOffset: noteOffset)
            ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:51:13: note: add 'if #available' version check
            keys[i] = PianoKeyViewModel(keyIndex: i, noteOffset: noteOffset)
            ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:46:18: note: add @available attribute to enclosing instance method
    private func configureKeys() {
                 ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:15:14: note: add @available attribute to enclosing class
public class PianoKeyboardViewModel: ObservableObject {
             ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:65:30: error: cannot pass as inout because setter for 'keys' is only available in macOS 10.15 or newer
            let noteNumber = keys[index].noteNumber
                             ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:65:30: note: add 'if #available' version check
            let noteNumber = keys[index].noteNumber
                             ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:55:18: note: add @available attribute to enclosing instance method
    private func updateKeys() {
                 ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:15:14: note: add @available attribute to enclosing class
public class PianoKeyboardViewModel: ObservableObject {
             ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:67:16: error: cannot pass as inout because setter for 'keys' is only available in macOS 10.15 or newer
            if keys[index].touchDown != keyDownAt[index] {
               ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:67:16: note: add 'if #available' version check
            if keys[index].touchDown != keyDownAt[index] {
               ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:55:18: note: add @available attribute to enclosing instance method
    private func updateKeys() {
                 ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:15:14: note: add @available attribute to enclosing class
public class PianoKeyboardViewModel: ObservableObject {
             ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:70:42: error: cannot pass as inout because setter for 'keys' is only available in macOS 10.15 or newer
                        let keyLatched = keys[index].latched
                                         ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:70:42: note: add 'if #available' version check
                        let keyLatched = keys[index].latched
                                         ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:55:18: note: add @available attribute to enclosing instance method
    private func updateKeys() {
                 ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:15:14: note: add @available attribute to enclosing class
public class PianoKeyboardViewModel: ObservableObject {
             ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:73:29: error: cannot pass as inout because setter for 'keys' is only available in macOS 10.15 or newer
                            keys[index].latched = false
                            ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:73:29: note: add 'if #available' version check
                            keys[index].latched = false
                            ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:55:18: note: add @available attribute to enclosing instance method
    private func updateKeys() {
                 ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:15:14: note: add @available attribute to enclosing class
public class PianoKeyboardViewModel: ObservableObject {
             ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:74:29: error: cannot pass as inout because setter for 'keys' is only available in macOS 10.15 or newer
                            keys[index].touchDown = false
                            ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:74:29: note: add 'if #available' version check
                            keys[index].touchDown = false
                            ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:55:18: note: add @available attribute to enclosing instance method
    private func updateKeys() {
                 ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:15:14: note: add @available attribute to enclosing class
public class PianoKeyboardViewModel: ObservableObject {
             ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:77:29: error: cannot pass as inout because setter for 'keys' is only available in macOS 10.15 or newer
                            keys[index].latched = true
                            ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:77:29: note: add 'if #available' version check
                            keys[index].latched = true
                            ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:55:18: note: add @available attribute to enclosing instance method
    private func updateKeys() {
                 ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:15:14: note: add @available attribute to enclosing class
public class PianoKeyboardViewModel: ObservableObject {
             ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:78:29: error: cannot pass as inout because setter for 'keys' is only available in macOS 10.15 or newer
                            keys[index].touchDown = true
                            ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:78:29: note: add 'if #available' version check
                            keys[index].touchDown = true
                            ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:55:18: note: add @available attribute to enclosing instance method
    private func updateKeys() {
                 ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:15:14: note: add @available attribute to enclosing class
public class PianoKeyboardViewModel: ObservableObject {
             ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:88:21: error: cannot pass as inout because setter for 'keys' is only available in macOS 10.15 or newer
                    keys[index].touchDown = keyDownAt[index]
                    ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:88:21: note: add 'if #available' version check
                    keys[index].touchDown = keyDownAt[index]
                    ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:55:18: note: add @available attribute to enclosing instance method
    private func updateKeys() {
                 ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:15:14: note: add @available attribute to enclosing class
public class PianoKeyboardViewModel: ObservableObject {
             ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:91:20: error: cannot pass as inout because setter for 'keys' is only available in macOS 10.15 or newer
                if keys[index].touchDown && keyDownAt[index] && keys[index].latched {
                   ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:91:20: note: add 'if #available' version check
                if keys[index].touchDown && keyDownAt[index] && keys[index].latched {
                   ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:55:18: note: add @available attribute to enclosing instance method
    private func updateKeys() {
                 ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:15:14: note: add @available attribute to enclosing class
public class PianoKeyboardViewModel: ObservableObject {
             ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:91:65: error: cannot pass as inout because setter for 'keys' is only available in macOS 10.15 or newer
                if keys[index].touchDown && keyDownAt[index] && keys[index].latched {
                                                                ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:91:65: note: add 'if #available' version check
                if keys[index].touchDown && keyDownAt[index] && keys[index].latched {
                                                                ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:55:18: note: add @available attribute to enclosing instance method
    private func updateKeys() {
                 ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:15:14: note: add @available attribute to enclosing class
public class PianoKeyboardViewModel: ObservableObject {
             ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:93:21: error: cannot pass as inout because setter for 'keys' is only available in macOS 10.15 or newer
                    keys[index].latched = false
                    ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:93:21: note: add 'if #available' version check
                    keys[index].latched = false
                    ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:55:18: note: add @available attribute to enclosing instance method
    private func updateKeys() {
                 ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:15:14: note: add @available attribute to enclosing class
public class PianoKeyboardViewModel: ObservableObject {
             ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:94:21: error: cannot pass as inout because setter for 'keys' is only available in macOS 10.15 or newer
                    keys[index].touchDown = false
                    ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:94:21: note: add 'if #available' version check
                    keys[index].touchDown = false
                    ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:55:18: note: add @available attribute to enclosing instance method
    private func updateKeys() {
                 ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:15:14: note: add @available attribute to enclosing class
public class PianoKeyboardViewModel: ObservableObject {
             ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:101:9: error: cannot pass as inout because setter for 'keysPressed' is only available in macOS 10.15 or newer
        keysPressed.append(Note.name(for: number))
        ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:101:9: note: add 'if #available' version check
        keysPressed.append(Note.name(for: number))
        ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:100:18: note: add @available attribute to enclosing instance method
    private func keyDown(_ number: Int) {
                 ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:15:14: note: add @available attribute to enclosing class
public class PianoKeyboardViewModel: ObservableObject {
             ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:110:9: error: cannot pass as inout because setter for 'keysPressed' is only available in macOS 10.15 or newer
        keysPressed.remove(at: index)
        ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:110:9: note: add 'if #available' version check
        keysPressed.remove(at: index)
        ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:105:18: note: add @available attribute to enclosing instance method
    private func keyUp(_ number: Int) {
                 ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:15:14: note: add @available attribute to enclosing class
public class PianoKeyboardViewModel: ObservableObject {
             ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:119:21: error: cannot pass as inout because setter for 'keys' is only available in macOS 10.15 or newer
                if !keys[index].isNatural {
                    ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:119:21: note: add 'if #available' version check
                if !keys[index].isNatural {
                    ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:114:18: note: add @available attribute to enclosing instance method
    private func getKeyContaining(_ point: CGPoint) -> Int? {
                 ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:15:14: note: add @available attribute to enclosing class
public class PianoKeyboardViewModel: ObservableObject {
             ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:129:13: error: cannot pass as inout because setter for 'keys' is only available in macOS 10.15 or newer
            keys[i].touchDown = false
            ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:129:13: note: add 'if #available' version check
            keys[i].touchDown = false
            ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:127:18: note: add @available attribute to enclosing instance method
    private func reset() {
                 ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:15:14: note: add @available attribute to enclosing class
public class PianoKeyboardViewModel: ObservableObject {
             ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:130:13: error: cannot pass as inout because setter for 'keys' is only available in macOS 10.15 or newer
            keys[i].latched = false
            ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:130:13: note: add 'if #available' version check
            keys[i].latched = false
            ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:127:18: note: add @available attribute to enclosing instance method
    private func reset() {
                 ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:15:14: note: add @available attribute to enclosing class
public class PianoKeyboardViewModel: ObservableObject {
             ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:131:19: error: cannot pass as inout because setter for 'keys' is only available in macOS 10.15 or newer
            keyUp(keys[i].noteNumber)
                  ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:131:19: note: add 'if #available' version check
            keyUp(keys[i].noteNumber)
                  ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:127:18: note: add @available attribute to enclosing instance method
    private func reset() {
                 ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:15:14: note: add @available attribute to enclosing class
public class PianoKeyboardViewModel: ObservableObject {
             ^
error: emit-module command failed with exit code 1 (use -v to see invocation)
[5/12] Compiling PianoKeyboard Note.swift
[6/12] Emitting module PianoKeyboard
/Users/admin/builder/spi-builder-workspace/Source/KeyboardStyle.swift:11:28: error: 'View' is only available in macOS 10.15 or newer
    associatedtype Layout: View
                           ^
/Users/admin/builder/spi-builder-workspace/Source/KeyboardStyle.swift:10:17: note: add @available attribute to enclosing protocol
public protocol KeyboardStyle {
                ^
/Users/admin/builder/spi-builder-workspace/Source/KeyboardStyle.swift:15:40: error: 'Color' is only available in macOS 10.15 or newer
    func naturalColor(_ down: Bool) -> Color
                                       ^
/Users/admin/builder/spi-builder-workspace/Source/KeyboardStyle.swift:15:10: note: add @available attribute to enclosing instance method
    func naturalColor(_ down: Bool) -> Color
         ^
/Users/admin/builder/spi-builder-workspace/Source/KeyboardStyle.swift:10:17: note: add @available attribute to enclosing protocol
public protocol KeyboardStyle {
                ^
/Users/admin/builder/spi-builder-workspace/Source/KeyboardStyle.swift:16:42: error: 'Color' is only available in macOS 10.15 or newer
    func sharpFlatColor(_ down: Bool) -> Color
                                         ^
/Users/admin/builder/spi-builder-workspace/Source/KeyboardStyle.swift:16:10: note: add @available attribute to enclosing instance method
    func sharpFlatColor(_ down: Bool) -> Color
         ^
/Users/admin/builder/spi-builder-workspace/Source/KeyboardStyle.swift:10:17: note: add @available attribute to enclosing protocol
public protocol KeyboardStyle {
                ^
/Users/admin/builder/spi-builder-workspace/Source/KeyboardStyle.swift:17:43: error: 'Color' is only available in macOS 10.15 or newer
    func labelColor(_ noteNumber: Int) -> Color
                                          ^
/Users/admin/builder/spi-builder-workspace/Source/KeyboardStyle.swift:17:10: note: add @available attribute to enclosing instance method
    func labelColor(_ noteNumber: Int) -> Color
         ^
/Users/admin/builder/spi-builder-workspace/Source/KeyboardStyle.swift:10:17: note: add @available attribute to enclosing protocol
public protocol KeyboardStyle {
                ^
/Users/admin/builder/spi-builder-workspace/Source/KeyboardStyle.swift:18:62: error: 'GeometryProxy' is only available in macOS 10.15 or newer
    func layout(viewModel: PianoKeyboardViewModel, geometry: GeometryProxy) -> Layout
                                                             ^
/Users/admin/builder/spi-builder-workspace/Source/KeyboardStyle.swift:18:10: note: add @available attribute to enclosing instance method
    func layout(viewModel: PianoKeyboardViewModel, geometry: GeometryProxy) -> Layout
         ^
/Users/admin/builder/spi-builder-workspace/Source/KeyboardStyle.swift:10:17: note: add @available attribute to enclosing protocol
public protocol KeyboardStyle {
                ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardView.swift:11:6: error: 'ObservedObject' is only available in macOS 10.15 or newer
    @ObservedObject private var viewModel: PianoKeyboardViewModel
     ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardView.swift:10:15: note: add @available attribute to enclosing generic struct
public struct PianoKeyboardView<T: KeyboardStyle>: View {
              ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardView.swift:22:27: error: 'View' is only available in macOS 10.15 or newer
    public var body: some View {
                          ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardView.swift:22:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardView.swift:10:15: note: add @available attribute to enclosing generic struct
public struct PianoKeyboardView<T: KeyboardStyle>: View {
              ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardView.swift:33:2: error: 'Preview(_:body:)' is only available in macOS 10.15 or newer
#Preview {
 ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardView.swift:34:5: error: 'VStack' is only available in macOS 10.15 or newer
    VStack {
    ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardView.swift:34:5: note: add 'if #available' version check
    VStack {
    ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardView.swift:38:6: error: 'frame(minWidth:idealWidth:maxWidth:minHeight:idealHeight:maxHeight:alignment:)' is only available in macOS 10.15 or newer
    .frame(maxWidth: .infinity, maxHeight: .infinity, alignment: .top)
     ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardView.swift:38:6: note: add 'if #available' version check
    .frame(maxWidth: .infinity, maxHeight: .infinity, alignment: .top)
     ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardView.swift:38:67: error: 'top' is only available in macOS 10.15 or newer
    .frame(maxWidth: .infinity, maxHeight: .infinity, alignment: .top)
                                                                  ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardView.swift:38:67: note: add 'if #available' version check
    .frame(maxWidth: .infinity, maxHeight: .infinity, alignment: .top)
                                                                  ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardView.swift:39:6: error: 'background(_:ignoresSafeAreaEdges:)' is only available in macOS 12.0 or newer
    .background(.black)
     ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardView.swift:39:6: note: add 'if #available' version check
    .background(.black)
     ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardView.swift:39:18: error: 'black' is only available in macOS 10.15 or newer
    .background(.black)
                 ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardView.swift:39:18: note: add 'if #available' version check
    .background(.black)
                 ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:17:6: error: 'Published' is only available in macOS 10.15 or newer
    @Published public var keys: [PianoKeyViewModel] = []
     ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:15:14: note: add @available attribute to enclosing class
public class PianoKeyboardViewModel: ObservableObject {
             ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:18:6: error: 'Published' is only available in macOS 10.15 or newer
    @Published public var keysPressed: [String] = []
     ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:15:14: note: add @available attribute to enclosing class
public class PianoKeyboardViewModel: ObservableObject {
             ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:19:6: error: 'Published' is only available in macOS 10.15 or newer
    @Published public var latch = false {
     ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:15:14: note: add @available attribute to enclosing class
public class PianoKeyboardViewModel: ObservableObject {
             ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:15:38: error: 'ObservableObject' is only available in macOS 10.15 or newer
public class PianoKeyboardViewModel: ObservableObject {
                                     ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:15:14: note: add @available attribute to enclosing class
public class PianoKeyboardViewModel: ObservableObject {
             ^
<unknown>:0: error: key path value type 'KeyPath<PianoKeyboardViewModel, [PianoKeyViewModel]>' cannot be converted to contextual type 'ReferenceWritableKeyPath<PianoKeyboardViewModel, [PianoKeyViewModel]>'
<unknown>:0: error: key path value type 'KeyPath<PianoKeyboardViewModel, [String]>' cannot be converted to contextual type 'ReferenceWritableKeyPath<PianoKeyboardViewModel, [String]>'
<unknown>:0: error: key path value type 'KeyPath<PianoKeyboardViewModel, Bool>' cannot be converted to contextual type 'ReferenceWritableKeyPath<PianoKeyboardViewModel, Bool>'
/Users/admin/builder/spi-builder-workspace/Source/RoundedCornersShape.swift:11:18: error: cannot find type 'UIRectCorner' in scope
    let corners: UIRectCorner
                 ^~~~~~~~~~~~
/Users/admin/builder/spi-builder-workspace/Source/RoundedCornersShape.swift:14:26: error: cannot find type 'UIRectCorner' in scope
    public init(corners: UIRectCorner, radius: CGFloat) {
                         ^~~~~~~~~~~~
/Users/admin/builder/spi-builder-workspace/Source/RoundedCornersShape.swift:19:42: error: 'Path' is only available in macOS 10.15 or newer
    public func path(in rect: CGRect) -> Path {
                                         ^
/Users/admin/builder/spi-builder-workspace/Source/RoundedCornersShape.swift:19:17: note: add @available attribute to enclosing instance method
    public func path(in rect: CGRect) -> Path {
                ^
/Users/admin/builder/spi-builder-workspace/Source/RoundedCornersShape.swift:10:15: note: add @available attribute to enclosing struct
public struct RoundedCornersShape: Shape {
              ^
/Users/admin/builder/spi-builder-workspace/Source/RoundedCornersShape.swift:11:9: warning: stored property 'corners' of 'Sendable'-conforming struct 'RoundedCornersShape' has non-sendable type '<<error type>>'
    let corners: UIRectCorner
        ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:15:20: error: 'Font' is only available in macOS 10.15 or newer
    let labelFont: Font
                   ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ClassicStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:16:21: error: 'Color' is only available in macOS 10.15 or newer
    let labelColor: Color
                    ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ClassicStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:27:20: error: 'Font' is only available in macOS 10.15 or newer
        labelFont: Font = .title3.bold(),
                   ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:21:12: note: add @available attribute to enclosing initializer
    public init(
           ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ClassicStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:28:21: error: 'Color' is only available in macOS 10.15 or newer
        labelColor: Color = .gray,
                    ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:21:12: note: add @available attribute to enclosing initializer
    public init(
           ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ClassicStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:27:28: error: 'title3' is only available in macOS 11.0 or newer
        labelFont: Font = .title3.bold(),
                           ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:21:12: note: add @available attribute to enclosing initializer
    public init(
           ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ClassicStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:27:35: error: 'bold()' is only available in macOS 10.15 or newer
        labelFont: Font = .title3.bold(),
                                  ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:21:12: note: add @available attribute to enclosing initializer
    public init(
           ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ClassicStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:28:30: error: 'gray' is only available in macOS 10.15 or newer
        labelColor: Color = .gray,
                             ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:21:12: note: add @available attribute to enclosing initializer
    public init(
           ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ClassicStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:41:47: error: 'Color' is only available in macOS 10.15 or newer
    public func naturalColor(_ down: Bool) -> Color {
                                              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:41:17: note: add @available attribute to enclosing instance method
    public func naturalColor(_ down: Bool) -> Color {
                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ClassicStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:45:49: error: 'Color' is only available in macOS 10.15 or newer
    public func sharpFlatColor(_ down: Bool) -> Color {
                                                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:45:17: note: add @available attribute to enclosing instance method
    public func sharpFlatColor(_ down: Bool) -> Color {
                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ClassicStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:49:50: error: 'Color' is only available in macOS 10.15 or newer
    public func labelColor(_ noteNumber: Int) -> Color {
                                                 ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:49:17: note: add @available attribute to enclosing instance method
    public func labelColor(_ noteNumber: Int) -> Color {
                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ClassicStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:57:69: error: 'GeometryProxy' is only available in macOS 10.15 or newer
    public func layout(viewModel: PianoKeyboardViewModel, geometry: GeometryProxy) -> some View {
                                                                    ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:57:17: note: add @available attribute to enclosing instance method
    public func layout(viewModel: PianoKeyboardViewModel, geometry: GeometryProxy) -> some View {
                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ClassicStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:57:92: error: 'View' is only available in macOS 10.15 or newer
    public func layout(viewModel: PianoKeyboardViewModel, geometry: GeometryProxy) -> some View {
                                                                                           ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:57:17: note: add @available attribute to enclosing instance method
    public func layout(viewModel: PianoKeyboardViewModel, geometry: GeometryProxy) -> some View {
                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ClassicStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:18:47: error: 'Color' is only available in macOS 10.15 or newer
    public func naturalColor(_ down: Bool) -> Color {
                                              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:18:17: note: add @available attribute to enclosing instance method
    public func naturalColor(_ down: Bool) -> Color {
                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ModernStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:22:49: error: 'Color' is only available in macOS 10.15 or newer
    public func sharpFlatColor(_ down: Bool) -> Color {
                                                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:22:17: note: add @available attribute to enclosing instance method
    public func sharpFlatColor(_ down: Bool) -> Color {
                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ModernStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:26:50: error: 'Color' is only available in macOS 10.15 or newer
    public func labelColor(_ noteNumber: Int) -> Color {
                                                 ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:26:17: note: add @available attribute to enclosing instance method
    public func labelColor(_ noteNumber: Int) -> Color {
                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ModernStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:34:69: error: 'GeometryProxy' is only available in macOS 10.15 or newer
    public func layout(viewModel: PianoKeyboardViewModel, geometry: GeometryProxy) -> some View {
                                                                    ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:34:17: note: add @available attribute to enclosing instance method
    public func layout(viewModel: PianoKeyboardViewModel, geometry: GeometryProxy) -> some View {
                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ModernStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:34:92: error: 'View' is only available in macOS 10.15 or newer
    public func layout(viewModel: PianoKeyboardViewModel, geometry: GeometryProxy) -> some View {
                                                                                           ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:34:17: note: add @available attribute to enclosing instance method
    public func layout(viewModel: PianoKeyboardViewModel, geometry: GeometryProxy) -> some View {
                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ModernStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/TouchesView.swift:13:30: error: cannot find type 'Context' in scope
    func makeUIView(context: Context) -> TouchesUIView {
                             ^~~~~~~
/Users/admin/builder/spi-builder-workspace/Source/TouchesView.swift:20:57: error: cannot find type 'Context' in scope
    func updateUIView(_ uiView: TouchesUIView, context: Context) {}
                                                        ^~~~~~~
/Users/admin/builder/spi-builder-workspace/Source/TouchesView.swift:10:21: error: cannot find type 'UIViewRepresentable' in scope
struct TouchesView: UIViewRepresentable {
                    ^~~~~~~~~~~~~~~~~~~
/Users/admin/builder/spi-builder-workspace/Source/TouchesView.swift:58:54: error: cannot find type 'UITouch' in scope
    public override func touchesBegan(_ touches: Set<UITouch>, with _: UIEvent?) {
                                                     ^~~~~~~
/Users/admin/builder/spi-builder-workspace/Source/TouchesView.swift:58:72: error: cannot find type 'UIEvent' in scope
    public override func touchesBegan(_ touches: Set<UITouch>, with _: UIEvent?) {
                                                                       ^~~~~~~
/Users/admin/builder/spi-builder-workspace/Source/TouchesView.swift:58:26: error: method does not override any method from its superclass
    public override func touchesBegan(_ touches: Set<UITouch>, with _: UIEvent?) {
           ~~~~~~~~      ^
/Users/admin/builder/spi-builder-workspace/Source/TouchesView.swift:65:54: error: cannot find type 'UITouch' in scope
    public override func touchesMoved(_ touches: Set<UITouch>, with _: UIEvent?) {
                                                     ^~~~~~~
/Users/admin/builder/spi-builder-workspace/Source/TouchesView.swift:65:72: error: cannot find type 'UIEvent' in scope
    public override func touchesMoved(_ touches: Set<UITouch>, with _: UIEvent?) {
                                                                       ^~~~~~~
/Users/admin/builder/spi-builder-workspace/Source/TouchesView.swift:65:26: error: method does not override any method from its superclass
    public override func touchesMoved(_ touches: Set<UITouch>, with _: UIEvent?) {
           ~~~~~~~~      ^
/Users/admin/builder/spi-builder-workspace/Source/TouchesView.swift:72:54: error: cannot find type 'UITouch' in scope
    public override func touchesEnded(_ touches: Set<UITouch>, with _: UIEvent?) {
                                                     ^~~~~~~
/Users/admin/builder/spi-builder-workspace/Source/TouchesView.swift:72:72: error: cannot find type 'UIEvent' in scope
    public override func touchesEnded(_ touches: Set<UITouch>, with _: UIEvent?) {
                                                                       ^~~~~~~
/Users/admin/builder/spi-builder-workspace/Source/TouchesView.swift:72:26: error: method does not override any method from its superclass
    public override func touchesEnded(_ touches: Set<UITouch>, with _: UIEvent?) {
           ~~~~~~~~      ^
/Users/admin/builder/spi-builder-workspace/Source/TouchesView.swift:79:58: error: cannot find type 'UITouch' in scope
    public override func touchesCancelled(_ touches: Set<UITouch>, with event: UIEvent?) {
                                                         ^~~~~~~
/Users/admin/builder/spi-builder-workspace/Source/TouchesView.swift:79:80: error: cannot find type 'UIEvent' in scope
    public override func touchesCancelled(_ touches: Set<UITouch>, with event: UIEvent?) {
                                                                               ^~~~~~~
/Users/admin/builder/spi-builder-workspace/Source/TouchesView.swift:79:26: error: method does not override any method from its superclass
    public override func touchesCancelled(_ touches: Set<UITouch>, with event: UIEvent?) {
           ~~~~~~~~      ^
/Users/admin/builder/spi-builder-workspace/Source/TouchesView.swift:44:22: error: cannot find type 'UIView' in scope
class TouchesUIView: UIView {
                     ^~~~~~
[7/12] Compiling PianoKeyboard PianoKeyboardView.swift
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardView.swift:11:6: error: 'ObservedObject' is only available in macOS 10.15 or newer
    @ObservedObject private var viewModel: PianoKeyboardViewModel
     ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardView.swift:10:15: note: add @available attribute to enclosing generic struct
public struct PianoKeyboardView<T: KeyboardStyle>: View {
              ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardView.swift:22:27: error: 'View' is only available in macOS 10.15 or newer
    public var body: some View {
                          ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardView.swift:22:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardView.swift:10:15: note: add @available attribute to enclosing generic struct
public struct PianoKeyboardView<T: KeyboardStyle>: View {
              ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardView.swift:33:2: error: 'Preview(_:body:)' is only available in macOS 10.15 or newer
#Preview {
 ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardView.swift:34:5: error: 'VStack' is only available in macOS 10.15 or newer
    VStack {
    ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardView.swift:34:5: note: add 'if #available' version check
    VStack {
    ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardView.swift:38:6: error: 'frame(minWidth:idealWidth:maxWidth:minHeight:idealHeight:maxHeight:alignment:)' is only available in macOS 10.15 or newer
    .frame(maxWidth: .infinity, maxHeight: .infinity, alignment: .top)
     ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardView.swift:38:6: note: add 'if #available' version check
    .frame(maxWidth: .infinity, maxHeight: .infinity, alignment: .top)
     ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardView.swift:38:67: error: 'top' is only available in macOS 10.15 or newer
    .frame(maxWidth: .infinity, maxHeight: .infinity, alignment: .top)
                                                                  ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardView.swift:38:67: note: add 'if #available' version check
    .frame(maxWidth: .infinity, maxHeight: .infinity, alignment: .top)
                                                                  ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardView.swift:39:6: error: 'background(_:ignoresSafeAreaEdges:)' is only available in macOS 12.0 or newer
    .background(.black)
     ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardView.swift:39:6: note: add 'if #available' version check
    .background(.black)
     ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardView.swift:39:18: error: 'black' is only available in macOS 10.15 or newer
    .background(.black)
                 ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardView.swift:39:18: note: add 'if #available' version check
    .background(.black)
                 ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardView.swift:18:9: error: setter for 'viewModel' is only available in macOS 10.15 or newer
        self.viewModel = viewModel
        ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardView.swift:18:9: note: add 'if #available' version check
        self.viewModel = viewModel
        ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardView.swift:14:12: note: add @available attribute to enclosing initializer
    public init(
           ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardView.swift:10:15: note: add @available attribute to enclosing generic struct
public struct PianoKeyboardView<T: KeyboardStyle>: View {
              ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardView.swift:26:17: error: static method 'buildExpression' requires that 'TouchesView' conform to 'View'
                TouchesView(viewModel: viewModel)
                ^
SwiftUI.ViewBuilder:3:24: note: where 'Content' = 'TouchesView'
    public static func buildExpression<Content>(_ content: Content) -> Content where Content : View
                       ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:27:28: error: 'title3' is only available in macOS 11.0 or newer
        labelFont: Font = .title3.bold(),
                           ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:21:12: note: add @available attribute to enclosing initializer
    public init(
           ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ClassicStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:27:35: error: 'bold()' is only available in macOS 10.15 or newer
        labelFont: Font = .title3.bold(),
                                  ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:21:12: note: add @available attribute to enclosing initializer
    public init(
           ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ClassicStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:28:30: error: 'gray' is only available in macOS 10.15 or newer
        labelColor: Color = .gray,
                             ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:21:12: note: add @available attribute to enclosing initializer
    public init(
           ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ClassicStyle: KeyboardStyle {
              ^
[8/12] Compiling PianoKeyboard KeyboardStyle.swift
/Users/admin/builder/spi-builder-workspace/Source/KeyboardStyle.swift:11:28: error: 'View' is only available in macOS 10.15 or newer
    associatedtype Layout: View
                           ^
/Users/admin/builder/spi-builder-workspace/Source/KeyboardStyle.swift:10:17: note: add @available attribute to enclosing protocol
public protocol KeyboardStyle {
                ^
/Users/admin/builder/spi-builder-workspace/Source/KeyboardStyle.swift:15:40: error: 'Color' is only available in macOS 10.15 or newer
    func naturalColor(_ down: Bool) -> Color
                                       ^
/Users/admin/builder/spi-builder-workspace/Source/KeyboardStyle.swift:15:10: note: add @available attribute to enclosing instance method
    func naturalColor(_ down: Bool) -> Color
         ^
/Users/admin/builder/spi-builder-workspace/Source/KeyboardStyle.swift:10:17: note: add @available attribute to enclosing protocol
public protocol KeyboardStyle {
                ^
/Users/admin/builder/spi-builder-workspace/Source/KeyboardStyle.swift:16:42: error: 'Color' is only available in macOS 10.15 or newer
    func sharpFlatColor(_ down: Bool) -> Color
                                         ^
/Users/admin/builder/spi-builder-workspace/Source/KeyboardStyle.swift:16:10: note: add @available attribute to enclosing instance method
    func sharpFlatColor(_ down: Bool) -> Color
         ^
/Users/admin/builder/spi-builder-workspace/Source/KeyboardStyle.swift:10:17: note: add @available attribute to enclosing protocol
public protocol KeyboardStyle {
                ^
/Users/admin/builder/spi-builder-workspace/Source/KeyboardStyle.swift:17:43: error: 'Color' is only available in macOS 10.15 or newer
    func labelColor(_ noteNumber: Int) -> Color
                                          ^
/Users/admin/builder/spi-builder-workspace/Source/KeyboardStyle.swift:17:10: note: add @available attribute to enclosing instance method
    func labelColor(_ noteNumber: Int) -> Color
         ^
/Users/admin/builder/spi-builder-workspace/Source/KeyboardStyle.swift:10:17: note: add @available attribute to enclosing protocol
public protocol KeyboardStyle {
                ^
/Users/admin/builder/spi-builder-workspace/Source/KeyboardStyle.swift:18:62: error: 'GeometryProxy' is only available in macOS 10.15 or newer
    func layout(viewModel: PianoKeyboardViewModel, geometry: GeometryProxy) -> Layout
                                                             ^
/Users/admin/builder/spi-builder-workspace/Source/KeyboardStyle.swift:18:10: note: add @available attribute to enclosing instance method
    func layout(viewModel: PianoKeyboardViewModel, geometry: GeometryProxy) -> Layout
         ^
/Users/admin/builder/spi-builder-workspace/Source/KeyboardStyle.swift:10:17: note: add @available attribute to enclosing protocol
public protocol KeyboardStyle {
                ^
[9/12] Compiling PianoKeyboard RoundedCornersShape.swift
/Users/admin/builder/spi-builder-workspace/Source/RoundedCornersShape.swift:11:18: error: cannot find type 'UIRectCorner' in scope
    let corners: UIRectCorner
                 ^~~~~~~~~~~~
/Users/admin/builder/spi-builder-workspace/Source/RoundedCornersShape.swift:14:26: error: cannot find type 'UIRectCorner' in scope
    public init(corners: UIRectCorner, radius: CGFloat) {
                         ^~~~~~~~~~~~
/Users/admin/builder/spi-builder-workspace/Source/RoundedCornersShape.swift:19:42: error: 'Path' is only available in macOS 10.15 or newer
    public func path(in rect: CGRect) -> Path {
                                         ^
/Users/admin/builder/spi-builder-workspace/Source/RoundedCornersShape.swift:19:17: note: add @available attribute to enclosing instance method
    public func path(in rect: CGRect) -> Path {
                ^
/Users/admin/builder/spi-builder-workspace/Source/RoundedCornersShape.swift:10:15: note: add @available attribute to enclosing struct
public struct RoundedCornersShape: Shape {
              ^
/Users/admin/builder/spi-builder-workspace/Source/RoundedCornersShape.swift:11:9: warning: stored property 'corners' of 'Sendable'-conforming struct 'RoundedCornersShape' has non-sendable type '<<error type>>'
    let corners: UIRectCorner
        ^
/Users/admin/builder/spi-builder-workspace/Source/RoundedCornersShape.swift:20:20: error: cannot find 'UIBezierPath' in scope
        let path = UIBezierPath(
                   ^~~~~~~~~~~~
[10/12] Compiling PianoKeyboard ModernStyle.swift
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:18:47: error: 'Color' is only available in macOS 10.15 or newer
    public func naturalColor(_ down: Bool) -> Color {
                                              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:18:17: note: add @available attribute to enclosing instance method
    public func naturalColor(_ down: Bool) -> Color {
                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ModernStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:22:49: error: 'Color' is only available in macOS 10.15 or newer
    public func sharpFlatColor(_ down: Bool) -> Color {
                                                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:22:17: note: add @available attribute to enclosing instance method
    public func sharpFlatColor(_ down: Bool) -> Color {
                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ModernStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:26:50: error: 'Color' is only available in macOS 10.15 or newer
    public func labelColor(_ noteNumber: Int) -> Color {
                                                 ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:26:17: note: add @available attribute to enclosing instance method
    public func labelColor(_ noteNumber: Int) -> Color {
                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ModernStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:34:69: error: 'GeometryProxy' is only available in macOS 10.15 or newer
    public func layout(viewModel: PianoKeyboardViewModel, geometry: GeometryProxy) -> some View {
                                                                    ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:34:17: note: add @available attribute to enclosing instance method
    public func layout(viewModel: PianoKeyboardViewModel, geometry: GeometryProxy) -> some View {
                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ModernStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:34:92: error: 'View' is only available in macOS 10.15 or newer
    public func layout(viewModel: PianoKeyboardViewModel, geometry: GeometryProxy) -> some View {
                                                                                           ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:34:17: note: add @available attribute to enclosing instance method
    public func layout(viewModel: PianoKeyboardViewModel, geometry: GeometryProxy) -> some View {
                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ModernStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:19:16: error: 'Color' is only available in macOS 10.15 or newer
        down ? Color(red: 0.6, green: 0.6, blue: 0.6) : Color(red: 0.9, green: 0.9, blue: 0.9)
               ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:19:16: note: add 'if #available' version check
        down ? Color(red: 0.6, green: 0.6, blue: 0.6) : Color(red: 0.9, green: 0.9, blue: 0.9)
               ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:18:17: note: add @available attribute to enclosing instance method
    public func naturalColor(_ down: Bool) -> Color {
                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ModernStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:19:16: error: 'init(_:red:green:blue:opacity:)' is only available in macOS 10.15 or newer
        down ? Color(red: 0.6, green: 0.6, blue: 0.6) : Color(red: 0.9, green: 0.9, blue: 0.9)
               ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:19:16: note: add 'if #available' version check
        down ? Color(red: 0.6, green: 0.6, blue: 0.6) : Color(red: 0.9, green: 0.9, blue: 0.9)
               ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:18:17: note: add @available attribute to enclosing instance method
    public func naturalColor(_ down: Bool) -> Color {
                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ModernStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:19:57: error: 'Color' is only available in macOS 10.15 or newer
        down ? Color(red: 0.6, green: 0.6, blue: 0.6) : Color(red: 0.9, green: 0.9, blue: 0.9)
                                                        ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:19:57: note: add 'if #available' version check
        down ? Color(red: 0.6, green: 0.6, blue: 0.6) : Color(red: 0.9, green: 0.9, blue: 0.9)
                                                        ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:18:17: note: add @available attribute to enclosing instance method
    public func naturalColor(_ down: Bool) -> Color {
                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ModernStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:19:57: error: 'init(_:red:green:blue:opacity:)' is only available in macOS 10.15 or newer
        down ? Color(red: 0.6, green: 0.6, blue: 0.6) : Color(red: 0.9, green: 0.9, blue: 0.9)
                                                        ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:19:57: note: add 'if #available' version check
        down ? Color(red: 0.6, green: 0.6, blue: 0.6) : Color(red: 0.9, green: 0.9, blue: 0.9)
                                                        ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:18:17: note: add @available attribute to enclosing instance method
    public func naturalColor(_ down: Bool) -> Color {
                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ModernStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:23:16: error: 'Color' is only available in macOS 10.15 or newer
        down ? Color(red: 0.4, green: 0.4, blue: 0.4) : Color(red: 0.2, green: 0.2, blue: 0.2)
               ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:23:16: note: add 'if #available' version check
        down ? Color(red: 0.4, green: 0.4, blue: 0.4) : Color(red: 0.2, green: 0.2, blue: 0.2)
               ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:22:17: note: add @available attribute to enclosing instance method
    public func sharpFlatColor(_ down: Bool) -> Color {
                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ModernStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:23:16: error: 'init(_:red:green:blue:opacity:)' is only available in macOS 10.15 or newer
        down ? Color(red: 0.4, green: 0.4, blue: 0.4) : Color(red: 0.2, green: 0.2, blue: 0.2)
               ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:23:16: note: add 'if #available' version check
        down ? Color(red: 0.4, green: 0.4, blue: 0.4) : Color(red: 0.2, green: 0.2, blue: 0.2)
               ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:22:17: note: add @available attribute to enclosing instance method
    public func sharpFlatColor(_ down: Bool) -> Color {
                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ModernStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:23:57: error: 'Color' is only available in macOS 10.15 or newer
        down ? Color(red: 0.4, green: 0.4, blue: 0.4) : Color(red: 0.2, green: 0.2, blue: 0.2)
                                                        ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:23:57: note: add 'if #available' version check
        down ? Color(red: 0.4, green: 0.4, blue: 0.4) : Color(red: 0.2, green: 0.2, blue: 0.2)
                                                        ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:22:17: note: add @available attribute to enclosing instance method
    public func sharpFlatColor(_ down: Bool) -> Color {
                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ModernStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:23:57: error: 'init(_:red:green:blue:opacity:)' is only available in macOS 10.15 or newer
        down ? Color(red: 0.4, green: 0.4, blue: 0.4) : Color(red: 0.2, green: 0.2, blue: 0.2)
                                                        ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:23:57: note: add 'if #available' version check
        down ? Color(red: 0.4, green: 0.4, blue: 0.4) : Color(red: 0.2, green: 0.2, blue: 0.2)
                                                        ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:22:17: note: add @available attribute to enclosing instance method
    public func sharpFlatColor(_ down: Bool) -> Color {
                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ModernStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:27:9: error: 'Color' is only available in macOS 10.15 or newer
        Color(hue: Double(noteNumber) / 127.0, saturation: 1, brightness: 0.6)
        ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:27:9: note: add 'if #available' version check
        Color(hue: Double(noteNumber) / 127.0, saturation: 1, brightness: 0.6)
        ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:26:17: note: add @available attribute to enclosing instance method
    public func labelColor(_ noteNumber: Int) -> Color {
                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ModernStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:27:9: error: 'init(hue:saturation:brightness:opacity:)' is only available in macOS 10.15 or newer
        Color(hue: Double(noteNumber) / 127.0, saturation: 1, brightness: 0.6)
        ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:27:9: note: add 'if #available' version check
        Color(hue: Double(noteNumber) / 127.0, saturation: 1, brightness: 0.6)
        ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:26:17: note: add @available attribute to enclosing instance method
    public func labelColor(_ noteNumber: Int) -> Color {
                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ModernStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/RoundedCornersShape.swift:14:26: error: cannot find type 'UIRectCorner' in scope
    public init(corners: UIRectCorner, radius: CGFloat) {
                         ^~~~~~~~~~~~
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:53:59: error: reference to member 'bottomLeft' cannot be resolved without a contextual type
                let path = RoundedCornersShape(corners: [.bottomLeft, .bottomRight], radius: cornerRadius)
                                                          ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:53:72: error: reference to member 'bottomRight' cannot be resolved without a contextual type
                let path = RoundedCornersShape(corners: [.bottomLeft, .bottomRight], radius: cornerRadius)
                                                                       ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:38:31: error: 'frame(in:)' is only available in macOS 10.15 or newer
            let xg = geometry.frame(in: .global).origin.x
                              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:38:31: note: add 'if #available' version check
            let xg = geometry.frame(in: .global).origin.x
                              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:34:17: note: add @available attribute to enclosing instance method
    public func layout(viewModel: PianoKeyboardViewModel, geometry: GeometryProxy) -> some View {
                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ModernStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:39:31: error: 'frame(in:)' is only available in macOS 10.15 or newer
            let yg = geometry.frame(in: .global).origin.y
                              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:39:31: note: add 'if #available' version check
            let yg = geometry.frame(in: .global).origin.y
                              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:34:17: note: add @available attribute to enclosing instance method
    public func layout(viewModel: PianoKeyboardViewModel, geometry: GeometryProxy) -> some View {
                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ModernStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:53:59: error: reference to member 'bottomLeft' cannot be resolved without a contextual type
                let path = RoundedCornersShape(corners: [.bottomLeft, .bottomRight], radius: cornerRadius)
                                                          ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:53:72: error: reference to member 'bottomRight' cannot be resolved without a contextual type
                let path = RoundedCornersShape(corners: [.bottomLeft, .bottomRight], radius: cornerRadius)
                                                                       ^
[11/12] Compiling PianoKeyboard TouchesView.swift
/Users/admin/builder/spi-builder-workspace/Source/TouchesView.swift:13:30: error: cannot find type 'Context' in scope
    func makeUIView(context: Context) -> TouchesUIView {
                             ^~~~~~~
/Users/admin/builder/spi-builder-workspace/Source/TouchesView.swift:20:57: error: cannot find type 'Context' in scope
    func updateUIView(_ uiView: TouchesUIView, context: Context) {}
                                                        ^~~~~~~
/Users/admin/builder/spi-builder-workspace/Source/TouchesView.swift:10:21: error: cannot find type 'UIViewRepresentable' in scope
struct TouchesView: UIViewRepresentable {
                    ^~~~~~~~~~~~~~~~~~~
/Users/admin/builder/spi-builder-workspace/Source/TouchesView.swift:58:54: error: cannot find type 'UITouch' in scope
    public override func touchesBegan(_ touches: Set<UITouch>, with _: UIEvent?) {
                                                     ^~~~~~~
/Users/admin/builder/spi-builder-workspace/Source/TouchesView.swift:58:72: error: cannot find type 'UIEvent' in scope
    public override func touchesBegan(_ touches: Set<UITouch>, with _: UIEvent?) {
                                                                       ^~~~~~~
/Users/admin/builder/spi-builder-workspace/Source/TouchesView.swift:58:26: error: method does not override any method from its superclass
    public override func touchesBegan(_ touches: Set<UITouch>, with _: UIEvent?) {
           ~~~~~~~~      ^
/Users/admin/builder/spi-builder-workspace/Source/TouchesView.swift:65:54: error: cannot find type 'UITouch' in scope
    public override func touchesMoved(_ touches: Set<UITouch>, with _: UIEvent?) {
                                                     ^~~~~~~
/Users/admin/builder/spi-builder-workspace/Source/TouchesView.swift:65:72: error: cannot find type 'UIEvent' in scope
    public override func touchesMoved(_ touches: Set<UITouch>, with _: UIEvent?) {
                                                                       ^~~~~~~
/Users/admin/builder/spi-builder-workspace/Source/TouchesView.swift:65:26: error: method does not override any method from its superclass
    public override func touchesMoved(_ touches: Set<UITouch>, with _: UIEvent?) {
           ~~~~~~~~      ^
/Users/admin/builder/spi-builder-workspace/Source/TouchesView.swift:72:54: error: cannot find type 'UITouch' in scope
    public override func touchesEnded(_ touches: Set<UITouch>, with _: UIEvent?) {
                                                     ^~~~~~~
/Users/admin/builder/spi-builder-workspace/Source/TouchesView.swift:72:72: error: cannot find type 'UIEvent' in scope
    public override func touchesEnded(_ touches: Set<UITouch>, with _: UIEvent?) {
                                                                       ^~~~~~~
/Users/admin/builder/spi-builder-workspace/Source/TouchesView.swift:72:26: error: method does not override any method from its superclass
    public override func touchesEnded(_ touches: Set<UITouch>, with _: UIEvent?) {
           ~~~~~~~~      ^
/Users/admin/builder/spi-builder-workspace/Source/TouchesView.swift:79:58: error: cannot find type 'UITouch' in scope
    public override func touchesCancelled(_ touches: Set<UITouch>, with event: UIEvent?) {
                                                         ^~~~~~~
/Users/admin/builder/spi-builder-workspace/Source/TouchesView.swift:79:80: error: cannot find type 'UIEvent' in scope
    public override func touchesCancelled(_ touches: Set<UITouch>, with event: UIEvent?) {
                                                                               ^~~~~~~
/Users/admin/builder/spi-builder-workspace/Source/TouchesView.swift:79:26: error: method does not override any method from its superclass
    public override func touchesCancelled(_ touches: Set<UITouch>, with event: UIEvent?) {
           ~~~~~~~~      ^
/Users/admin/builder/spi-builder-workspace/Source/TouchesView.swift:44:22: error: cannot find type 'UIView' in scope
class TouchesUIView: UIView {
                     ^~~~~~
/Users/admin/builder/spi-builder-workspace/Source/TouchesView.swift:15:23: error: value of type 'TouchesUIView' has no member 'isMultipleTouchEnabled'
        touchesUIView.isMultipleTouchEnabled = true
        ~~~~~~~~~~~~~ ^~~~~~~~~~~~~~~~~~~~~~
/Users/admin/builder/spi-builder-workspace/Source/TouchesView.swift:52:57: error: cannot find type 'UITouch' in scope
        if let touches = currentTouches.allObjects as? [UITouch] {
                                                        ^~~~~~~
/Users/admin/builder/spi-builder-workspace/Source/TouchesView.swift:53:56: error: 'nil' requires a contextual type
            let points = touches.map { $0.location(in: nil) }
                                                       ^
[12/12] Compiling PianoKeyboard ClassicStyle.swift
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:15:20: error: 'Font' is only available in macOS 10.15 or newer
    let labelFont: Font
                   ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ClassicStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:16:21: error: 'Color' is only available in macOS 10.15 or newer
    let labelColor: Color
                    ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ClassicStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:27:20: error: 'Font' is only available in macOS 10.15 or newer
        labelFont: Font = .title3.bold(),
                   ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:21:12: note: add @available attribute to enclosing initializer
    public init(
           ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ClassicStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:28:21: error: 'Color' is only available in macOS 10.15 or newer
        labelColor: Color = .gray,
                    ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:21:12: note: add @available attribute to enclosing initializer
    public init(
           ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ClassicStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:27:28: error: 'title3' is only available in macOS 11.0 or newer
        labelFont: Font = .title3.bold(),
                           ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:21:12: note: add @available attribute to enclosing initializer
    public init(
           ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ClassicStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:27:35: error: 'bold()' is only available in macOS 10.15 or newer
        labelFont: Font = .title3.bold(),
                                  ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:21:12: note: add @available attribute to enclosing initializer
    public init(
           ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ClassicStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:28:30: error: 'gray' is only available in macOS 10.15 or newer
        labelColor: Color = .gray,
                             ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:21:12: note: add @available attribute to enclosing initializer
    public init(
           ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ClassicStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:41:47: error: 'Color' is only available in macOS 10.15 or newer
    public func naturalColor(_ down: Bool) -> Color {
                                              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:41:17: note: add @available attribute to enclosing instance method
    public func naturalColor(_ down: Bool) -> Color {
                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ClassicStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:45:49: error: 'Color' is only available in macOS 10.15 or newer
    public func sharpFlatColor(_ down: Bool) -> Color {
                                                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:45:17: note: add @available attribute to enclosing instance method
    public func sharpFlatColor(_ down: Bool) -> Color {
                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ClassicStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:49:50: error: 'Color' is only available in macOS 10.15 or newer
    public func labelColor(_ noteNumber: Int) -> Color {
                                                 ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:49:17: note: add @available attribute to enclosing instance method
    public func labelColor(_ noteNumber: Int) -> Color {
                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ClassicStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:57:69: error: 'GeometryProxy' is only available in macOS 10.15 or newer
    public func layout(viewModel: PianoKeyboardViewModel, geometry: GeometryProxy) -> some View {
                                                                    ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:57:17: note: add @available attribute to enclosing instance method
    public func layout(viewModel: PianoKeyboardViewModel, geometry: GeometryProxy) -> some View {
                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ClassicStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:57:92: error: 'View' is only available in macOS 10.15 or newer
    public func layout(viewModel: PianoKeyboardViewModel, geometry: GeometryProxy) -> some View {
                                                                                           ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:57:17: note: add @available attribute to enclosing instance method
    public func layout(viewModel: PianoKeyboardViewModel, geometry: GeometryProxy) -> some View {
                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ClassicStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:42:16: error: 'Color' is only available in macOS 10.15 or newer
        down ? Color(red: 0.6, green: 0.6, blue: 0.6) : Color(red: 0.9, green: 0.9, blue: 0.9)
               ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:42:16: note: add 'if #available' version check
        down ? Color(red: 0.6, green: 0.6, blue: 0.6) : Color(red: 0.9, green: 0.9, blue: 0.9)
               ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:41:17: note: add @available attribute to enclosing instance method
    public func naturalColor(_ down: Bool) -> Color {
                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ClassicStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:42:16: error: 'init(_:red:green:blue:opacity:)' is only available in macOS 10.15 or newer
        down ? Color(red: 0.6, green: 0.6, blue: 0.6) : Color(red: 0.9, green: 0.9, blue: 0.9)
               ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:42:16: note: add 'if #available' version check
        down ? Color(red: 0.6, green: 0.6, blue: 0.6) : Color(red: 0.9, green: 0.9, blue: 0.9)
               ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:41:17: note: add @available attribute to enclosing instance method
    public func naturalColor(_ down: Bool) -> Color {
                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ClassicStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:42:57: error: 'Color' is only available in macOS 10.15 or newer
        down ? Color(red: 0.6, green: 0.6, blue: 0.6) : Color(red: 0.9, green: 0.9, blue: 0.9)
                                                        ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:42:57: note: add 'if #available' version check
        down ? Color(red: 0.6, green: 0.6, blue: 0.6) : Color(red: 0.9, green: 0.9, blue: 0.9)
                                                        ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:41:17: note: add @available attribute to enclosing instance method
    public func naturalColor(_ down: Bool) -> Color {
                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ClassicStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:42:57: error: 'init(_:red:green:blue:opacity:)' is only available in macOS 10.15 or newer
        down ? Color(red: 0.6, green: 0.6, blue: 0.6) : Color(red: 0.9, green: 0.9, blue: 0.9)
                                                        ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:42:57: note: add 'if #available' version check
        down ? Color(red: 0.6, green: 0.6, blue: 0.6) : Color(red: 0.9, green: 0.9, blue: 0.9)
                                                        ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:41:17: note: add @available attribute to enclosing instance method
    public func naturalColor(_ down: Bool) -> Color {
                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ClassicStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:46:16: error: 'Color' is only available in macOS 10.15 or newer
        down ? Color(red: 0.4, green: 0.4, blue: 0.4) : Color(red: 0.5, green: 0.5, blue: 0.5)
               ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:46:16: note: add 'if #available' version check
        down ? Color(red: 0.4, green: 0.4, blue: 0.4) : Color(red: 0.5, green: 0.5, blue: 0.5)
               ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:45:17: note: add @available attribute to enclosing instance method
    public func sharpFlatColor(_ down: Bool) -> Color {
                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ClassicStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:46:16: error: 'init(_:red:green:blue:opacity:)' is only available in macOS 10.15 or newer
        down ? Color(red: 0.4, green: 0.4, blue: 0.4) : Color(red: 0.5, green: 0.5, blue: 0.5)
               ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:46:16: note: add 'if #available' version check
        down ? Color(red: 0.4, green: 0.4, blue: 0.4) : Color(red: 0.5, green: 0.5, blue: 0.5)
               ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:45:17: note: add @available attribute to enclosing instance method
    public func sharpFlatColor(_ down: Bool) -> Color {
                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ClassicStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:46:57: error: 'Color' is only available in macOS 10.15 or newer
        down ? Color(red: 0.4, green: 0.4, blue: 0.4) : Color(red: 0.5, green: 0.5, blue: 0.5)
                                                        ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:46:57: note: add 'if #available' version check
        down ? Color(red: 0.4, green: 0.4, blue: 0.4) : Color(red: 0.5, green: 0.5, blue: 0.5)
                                                        ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:45:17: note: add @available attribute to enclosing instance method
    public func sharpFlatColor(_ down: Bool) -> Color {
                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ClassicStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:46:57: error: 'init(_:red:green:blue:opacity:)' is only available in macOS 10.15 or newer
        down ? Color(red: 0.4, green: 0.4, blue: 0.4) : Color(red: 0.5, green: 0.5, blue: 0.5)
                                                        ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:46:57: note: add 'if #available' version check
        down ? Color(red: 0.4, green: 0.4, blue: 0.4) : Color(red: 0.5, green: 0.5, blue: 0.5)
                                                        ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:45:17: note: add @available attribute to enclosing instance method
    public func sharpFlatColor(_ down: Bool) -> Color {
                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ClassicStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:50:9: error: 'Color' is only available in macOS 10.15 or newer
        Color(hue: Double(noteNumber) / 127.0, saturation: 1, brightness: 0.6)
        ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:50:9: note: add 'if #available' version check
        Color(hue: Double(noteNumber) / 127.0, saturation: 1, brightness: 0.6)
        ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:49:17: note: add @available attribute to enclosing instance method
    public func labelColor(_ noteNumber: Int) -> Color {
                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ClassicStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:50:9: error: 'init(hue:saturation:brightness:opacity:)' is only available in macOS 10.15 or newer
        Color(hue: Double(noteNumber) / 127.0, saturation: 1, brightness: 0.6)
        ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:50:9: note: add 'if #available' version check
        Color(hue: Double(noteNumber) / 127.0, saturation: 1, brightness: 0.6)
        ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:49:17: note: add @available attribute to enclosing instance method
    public func labelColor(_ noteNumber: Int) -> Color {
                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ClassicStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/RoundedCornersShape.swift:14:26: error: cannot find type 'UIRectCorner' in scope
    public init(corners: UIRectCorner, radius: CGFloat) {
                         ^~~~~~~~~~~~
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:78:59: error: reference to member 'bottomLeft' cannot be resolved without a contextual type
                let path = RoundedCornersShape(corners: [.bottomLeft, .bottomRight], radius: cornerRadius)
                                                          ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:78:72: error: reference to member 'bottomRight' cannot be resolved without a contextual type
                let path = RoundedCornersShape(corners: [.bottomLeft, .bottomRight], radius: cornerRadius)
                                                                       ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:61:31: error: 'frame(in:)' is only available in macOS 10.15 or newer
            let xg = geometry.frame(in: .global).origin.x
                              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:61:31: note: add 'if #available' version check
            let xg = geometry.frame(in: .global).origin.x
                              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:57:17: note: add @available attribute to enclosing instance method
    public func layout(viewModel: PianoKeyboardViewModel, geometry: GeometryProxy) -> some View {
                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ClassicStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:62:31: error: 'frame(in:)' is only available in macOS 10.15 or newer
            let yg = geometry.frame(in: .global).origin.y
                              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:62:31: note: add 'if #available' version check
            let yg = geometry.frame(in: .global).origin.y
                              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:57:17: note: add @available attribute to enclosing instance method
    public func layout(viewModel: PianoKeyboardViewModel, geometry: GeometryProxy) -> some View {
                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ClassicStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:78:59: error: reference to member 'bottomLeft' cannot be resolved without a contextual type
                let path = RoundedCornersShape(corners: [.bottomLeft, .bottomRight], radius: cornerRadius)
                                                          ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:78:72: error: reference to member 'bottomRight' cannot be resolved without a contextual type
                let path = RoundedCornersShape(corners: [.bottomLeft, .bottomRight], radius: cornerRadius)
                                                                       ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:81:32: error: 'Gradient' is only available in macOS 10.15 or newer
                let gradient = Gradient(colors: [
                               ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:81:32: note: add 'if #available' version check
                let gradient = Gradient(colors: [
                               ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:57:17: note: add @available attribute to enclosing instance method
    public func layout(viewModel: PianoKeyboardViewModel, geometry: GeometryProxy) -> some View {
                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ClassicStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:83:21: error: 'Color' is only available in macOS 10.15 or newer
                    Color(red: 1, green: 1, blue: 1),
                    ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:83:21: note: add 'if #available' version check
                    Color(red: 1, green: 1, blue: 1),
                    ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:57:17: note: add @available attribute to enclosing instance method
    public func layout(viewModel: PianoKeyboardViewModel, geometry: GeometryProxy) -> some View {
                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ClassicStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:83:21: error: 'init(_:red:green:blue:opacity:)' is only available in macOS 10.15 or newer
                    Color(red: 1, green: 1, blue: 1),
                    ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:83:21: note: add 'if #available' version check
                    Color(red: 1, green: 1, blue: 1),
                    ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:57:17: note: add @available attribute to enclosing instance method
    public func layout(viewModel: PianoKeyboardViewModel, geometry: GeometryProxy) -> some View {
                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ClassicStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:121:59: error: reference to member 'bottomLeft' cannot be resolved without a contextual type
                let path = RoundedCornersShape(corners: [.bottomLeft, .bottomRight], radius: cornerRadius)
                                                          ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:121:72: error: reference to member 'bottomRight' cannot be resolved without a contextual type
                let path = RoundedCornersShape(corners: [.bottomLeft, .bottomRight], radius: cornerRadius)
                                                                       ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:131:64: error: reference to member 'bottomLeft' cannot be resolved without a contextual type
                let pathInset = RoundedCornersShape(corners: [.bottomLeft, .bottomRight], radius: cornerRadius / 2.0)
                                                               ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:131:77: error: reference to member 'bottomRight' cannot be resolved without a contextual type
                let pathInset = RoundedCornersShape(corners: [.bottomLeft, .bottomRight], radius: cornerRadius / 2.0)
                                                                            ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:134:37: error: 'Gradient' is only available in macOS 10.15 or newer
                let gradientInset = Gradient(colors: [
                                    ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:134:37: note: add 'if #available' version check
                let gradientInset = Gradient(colors: [
                                    ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:57:17: note: add @available attribute to enclosing instance method
    public func layout(viewModel: PianoKeyboardViewModel, geometry: GeometryProxy) -> some View {
                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ClassicStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:135:21: error: 'Color' is only available in macOS 10.15 or newer
                    Color(red: 0.3, green: 0.3, blue: 0.3),
                    ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:135:21: note: add 'if #available' version check
                    Color(red: 0.3, green: 0.3, blue: 0.3),
                    ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:57:17: note: add @available attribute to enclosing instance method
    public func layout(viewModel: PianoKeyboardViewModel, geometry: GeometryProxy) -> some View {
                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ClassicStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:135:21: error: 'init(_:red:green:blue:opacity:)' is only available in macOS 10.15 or newer
                    Color(red: 0.3, green: 0.3, blue: 0.3),
                    ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:135:21: note: add 'if #available' version check
                    Color(red: 0.3, green: 0.3, blue: 0.3),
                    ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:57:17: note: add @available attribute to enclosing instance method
    public func layout(viewModel: PianoKeyboardViewModel, geometry: GeometryProxy) -> some View {
                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ClassicStyle: KeyboardStyle {
              ^
error: fatalError
BUILD FAILURE 5.10 macosSpm