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Build Information

Failed to build navigation-stack-backport, reference main (55acfe), with Swift 6.1 for macOS (Xcode) using Xcode 16.3 on 28 Apr 2025 07:23:34 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme navigation-stack-backport -destination platform=macOS,arch=arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/lm/navigation-stack-backport.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/lm/navigation-stack-backport
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 55acfe7 Release 1.1.0
Cloned https://github.com/lm/navigation-stack-backport.git
Revision (git rev-parse @):
55acfe7693c233ddc7f62f887f0df6ebd779ef01
SUCCESS checkout https://github.com/lm/navigation-stack-backport.git at main
========================================
Build
========================================
Selected platform:         macosXcodebuild
Swift version:             6.1
Building package at path:  $PWD
https://github.com/lm/navigation-stack-backport.git
https://github.com/lm/navigation-stack-backport.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "navigation-stack-backport",
  "name" : "navigation-stack-backport",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "14.0"
    }
  ],
  "products" : [
    {
      "name" : "NavigationStackBackport",
      "targets" : [
        "NavigationStackBackport"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "NavigationStackBackportTests",
      "module_type" : "SwiftTarget",
      "name" : "NavigationStackBackportTests",
      "path" : "Tests/NavigationStackBackportTests",
      "sources" : [
        "NavigationPathItemTests.swift",
        "NavigationPathTests.swift"
      ],
      "target_dependencies" : [
        "NavigationStackBackport"
      ],
      "type" : "test"
    },
    {
      "c99name" : "NavigationStackBackport",
      "module_type" : "SwiftTarget",
      "name" : "NavigationStackBackport",
      "path" : "Sources/NavigationStackBackport",
      "product_memberships" : [
        "NavigationStackBackport"
      ],
      "sources" : [
        "Backport.swift",
        "CodableRepresentation.swift",
        "Destination.swift",
        "NavigationAuthority.swift",
        "NavigationLink.swift",
        "NavigationPath.swift",
        "NavigationPathBackport.swift",
        "NavigationPathBox.swift",
        "NavigationPathItem.swift",
        "NavigationStack.swift",
        "NavigationUpdate.swift",
        "Presentation.swift",
        "UIKitNavigation.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.6"
}
Command line invocation:
    /Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolved source packages:
  navigation-stack-backport: /Users/admin/builder/spi-builder-workspace
resolved source packages: navigation-stack-backport
{
  "dependencies" : [
  ],
  "manifest_display_name" : "navigation-stack-backport",
  "name" : "navigation-stack-backport",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "14.0"
    }
  ],
  "products" : [
    {
      "name" : "NavigationStackBackport",
      "targets" : [
        "NavigationStackBackport"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "NavigationStackBackportTests",
      "module_type" : "SwiftTarget",
      "name" : "NavigationStackBackportTests",
      "path" : "Tests/NavigationStackBackportTests",
      "sources" : [
        "NavigationPathItemTests.swift",
        "NavigationPathTests.swift"
      ],
      "target_dependencies" : [
        "NavigationStackBackport"
      ],
      "type" : "test"
    },
    {
      "c99name" : "NavigationStackBackport",
      "module_type" : "SwiftTarget",
      "name" : "NavigationStackBackport",
      "path" : "Sources/NavigationStackBackport",
      "product_memberships" : [
        "NavigationStackBackport"
      ],
      "sources" : [
        "Backport.swift",
        "CodableRepresentation.swift",
        "Destination.swift",
        "NavigationAuthority.swift",
        "NavigationLink.swift",
        "NavigationPath.swift",
        "NavigationPathBackport.swift",
        "NavigationPathBox.swift",
        "NavigationPathItem.swift",
        "NavigationStack.swift",
        "NavigationUpdate.swift",
        "Presentation.swift",
        "UIKitNavigation.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.6"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "navigation-stack-backport"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme navigation-stack-backport -destination platform=macOS,arch=arm64 OTHER_SWIFT_FLAGS=-stats-output-dir .stats -strict-concurrency=complete -enable-upcoming-feature StrictConcurrency -enable-upcoming-feature DisableOutwardActorInference -enable-upcoming-feature GlobalActorIsolatedTypesUsability -enable-upcoming-feature InferSendableFromCaptures
Command line invocation:
    /Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath /Users/admin/builder/spi-builder-workspace/.derivedData build -scheme navigation-stack-backport -destination platform=macOS,arch=arm64 "OTHER_SWIFT_FLAGS=-stats-output-dir .stats -strict-concurrency=complete -enable-upcoming-feature StrictConcurrency -enable-upcoming-feature DisableOutwardActorInference -enable-upcoming-feature GlobalActorIsolatedTypesUsability -enable-upcoming-feature InferSendableFromCaptures"
Build settings from command line:
    OTHER_SWIFT_FLAGS = -stats-output-dir .stats -strict-concurrency=complete -enable-upcoming-feature StrictConcurrency -enable-upcoming-feature DisableOutwardActorInference -enable-upcoming-feature GlobalActorIsolatedTypesUsability -enable-upcoming-feature InferSendableFromCaptures
Resolve Package Graph
Resolved source packages:
  navigation-stack-backport: /Users/admin/builder/spi-builder-workspace
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (2 targets)
    Target 'NavigationStackBackport' in project 'navigation-stack-backport'
        ➜ Explicit dependency on target 'NavigationStackBackport' in project 'navigation-stack-backport'
    Target 'NavigationStackBackport' in project 'navigation-stack-backport' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: 8e798330c551bcf7606b40045e85b8e8
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/8e798330c551bcf7606b40045e85b8e8.xcbuilddata
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex
ClangStatCache /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx15.4-24E241-8287b8f5db97e746a1562fbca0c9d29b.sdkstatcache
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx15.4-24E241-8287b8f5db97e746a1562fbca0c9d29b.sdkstatcache
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/EagerLinkingTBDs/Debug
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/EagerLinkingTBDs/Debug
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug/PackageFrameworks
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug/PackageFrameworks
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/navigation-stack-backport.build/Debug/NavigationStackBackport.build/NavigationStackBackport.modulemap (in target 'NavigationStackBackport' from project 'navigation-stack-backport')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/navigation-stack-backport.build/Debug/NavigationStackBackport.build/NavigationStackBackport.modulemap
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/navigation-stack-backport.build/Debug/NavigationStackBackport.build/NavigationStackBackport.DependencyStaticMetadataFileList (in target 'NavigationStackBackport' from project 'navigation-stack-backport')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/navigation-stack-backport.build/Debug/NavigationStackBackport.build/NavigationStackBackport.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/navigation-stack-backport.build/Debug/NavigationStackBackport.build/NavigationStackBackport.DependencyMetadataFileList (in target 'NavigationStackBackport' from project 'navigation-stack-backport')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/navigation-stack-backport.build/Debug/NavigationStackBackport.build/NavigationStackBackport.DependencyMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/navigation-stack-backport.build/Debug/NavigationStackBackport.build/Objects-normal/arm64/NavigationStackBackport_const_extract_protocols.json (in target 'NavigationStackBackport' from project 'navigation-stack-backport')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/navigation-stack-backport.build/Debug/NavigationStackBackport.build/Objects-normal/arm64/NavigationStackBackport_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/navigation-stack-backport.build/Debug/NavigationStackBackport.build/Objects-normal/arm64/NavigationStackBackport.LinkFileList (in target 'NavigationStackBackport' from project 'navigation-stack-backport')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/navigation-stack-backport.build/Debug/NavigationStackBackport.build/Objects-normal/arm64/NavigationStackBackport.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/navigation-stack-backport.build/Debug/NavigationStackBackport.build/Objects-normal/arm64/NavigationStackBackport.SwiftConstValuesFileList (in target 'NavigationStackBackport' from project 'navigation-stack-backport')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/navigation-stack-backport.build/Debug/NavigationStackBackport.build/Objects-normal/arm64/NavigationStackBackport.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/navigation-stack-backport.build/Debug/NavigationStackBackport.build/Objects-normal/arm64/NavigationStackBackport.SwiftFileList (in target 'NavigationStackBackport' from project 'navigation-stack-backport')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/navigation-stack-backport.build/Debug/NavigationStackBackport.build/Objects-normal/arm64/NavigationStackBackport.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/navigation-stack-backport.build/Debug/NavigationStackBackport.build/Objects-normal/arm64/NavigationStackBackport-OutputFileMap.json (in target 'NavigationStackBackport' from project 'navigation-stack-backport')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/navigation-stack-backport.build/Debug/NavigationStackBackport.build/Objects-normal/arm64/NavigationStackBackport-OutputFileMap.json
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps/NavigationStackBackport.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/navigation-stack-backport.build/Debug/NavigationStackBackport.build/NavigationStackBackport.modulemap (in target 'NavigationStackBackport' from project 'navigation-stack-backport')
    cd /Users/admin/builder/spi-builder-workspace
    builtin-copy -exclude .DS_Store -exclude CVS -exclude .svn -exclude .git -exclude .hg -resolve-src-symlinks /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/navigation-stack-backport.build/Debug/NavigationStackBackport.build/NavigationStackBackport.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps
SwiftDriver NavigationStackBackport normal arm64 com.apple.xcode.tools.swift.compiler (in target 'NavigationStackBackport' from project 'navigation-stack-backport')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftDriver -- /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -module-name NavigationStackBackport -Onone -enforce-exclusivity\=checked @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/navigation-stack-backport.build/Debug/NavigationStackBackport.build/Objects-normal/arm64/NavigationStackBackport.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -stats-output-dir .stats -strict-concurrency\=complete -enable-upcoming-feature StrictConcurrency -enable-upcoming-feature DisableOutwardActorInference -enable-upcoming-feature GlobalActorIsolatedTypesUsability -enable-upcoming-feature InferSendableFromCaptures -plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk -target arm64-apple-macos10.13 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -profile-coverage-mapping -profile-generate -enable-testing -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -swift-version 5 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -I /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx15.4-24E241-8287b8f5db97e746a1562fbca0c9d29b.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/navigation-stack-backport.build/Debug/NavigationStackBackport.build/Objects-normal/arm64/NavigationStackBackport-OutputFileMap.json -use-frontend-parseable-output -save-temps -no-color-diagnostics -serialize-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/navigation-stack-backport.build/Debug/NavigationStackBackport.build/Objects-normal/arm64/NavigationStackBackport.swiftmodule -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/navigation-stack-backport.build/Debug/NavigationStackBackport.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/navigation-stack-backport.build/Debug/NavigationStackBackport.build/Objects-normal/arm64/NavigationStackBackport_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/navigation-stack-backport.build/Debug/NavigationStackBackport.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/navigation-stack-backport.build/Debug/NavigationStackBackport.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/navigation-stack-backport.build/Debug/NavigationStackBackport.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -emit-objc-header -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/navigation-stack-backport.build/Debug/NavigationStackBackport.build/Objects-normal/arm64/NavigationStackBackport-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftCompile normal arm64 Compiling\ Backport.swift,\ CodableRepresentation.swift /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Backport.swift /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/CodableRepresentation.swift (in target 'NavigationStackBackport' from project 'navigation-stack-backport')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Backport.swift (in target 'NavigationStackBackport' from project 'navigation-stack-backport')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/CodableRepresentation.swift (in target 'NavigationStackBackport' from project 'navigation-stack-backport')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ NavigationLink.swift,\ NavigationPath.swift /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationPath.swift (in target 'NavigationStackBackport' from project 'navigation-stack-backport')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift (in target 'NavigationStackBackport' from project 'navigation-stack-backport')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationPath.swift (in target 'NavigationStackBackport' from project 'navigation-stack-backport')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ Presentation.swift /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift (in target 'NavigationStackBackport' from project 'navigation-stack-backport')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift (in target 'NavigationStackBackport' from project 'navigation-stack-backport')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ Destination.swift,\ NavigationAuthority.swift /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift (in target 'NavigationStackBackport' from project 'navigation-stack-backport')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift (in target 'NavigationStackBackport' from project 'navigation-stack-backport')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift (in target 'NavigationStackBackport' from project 'navigation-stack-backport')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ UIKitNavigation.swift /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift (in target 'NavigationStackBackport' from project 'navigation-stack-backport')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift (in target 'NavigationStackBackport' from project 'navigation-stack-backport')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ NavigationPathBox.swift /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationPathBox.swift (in target 'NavigationStackBackport' from project 'navigation-stack-backport')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationPathBox.swift (in target 'NavigationStackBackport' from project 'navigation-stack-backport')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftEmitModule normal arm64 Emitting\ module\ for\ NavigationStackBackport (in target 'NavigationStackBackport' from project 'navigation-stack-backport')
Failed frontend command:
/Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Backport.swift /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/CodableRepresentation.swift /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationPath.swift /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationPathBackport.swift /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationPathBox.swift /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationPathItem.swift /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationUpdate.swift /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift -target arm64-apple-macos10.13 -Xllvm -aarch64-use-tbi -enable-objc-interop -sdk /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -I /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -no-color-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -profile-generate -profile-coverage-mapping -swift-version 5 -enforce-exclusivity\=checked -stats-output-dir /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode/.stats -Onone -D SWIFT_PACKAGE -D DEBUG -serialize-debugging-options -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/navigation-stack-backport.build/Debug/NavigationStackBackport.build/Objects-normal/arm64/NavigationStackBackport_const_extract_protocols.json -enable-upcoming-feature StrictConcurrency -enable-upcoming-feature DisableOutwardActorInference -enable-upcoming-feature GlobalActorIsolatedTypesUsability -enable-upcoming-feature InferSendableFromCaptures -enable-experimental-feature DebugDescriptionMacro -strict-concurrency\=complete -empty-abi-descriptor -plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -resource-dir /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift -enable-anonymous-context-mangled-names -file-compilation-dir /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx15.4-24E241-8287b8f5db97e746a1562fbca0c9d29b.sdkstatcache -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/navigation-stack-backport.build/Debug/NavigationStackBackport.build/swift-overrides.hmap -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/navigation-stack-backport.build/Debug/NavigationStackBackport.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/navigation-stack-backport.build/Debug/NavigationStackBackport.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/navigation-stack-backport.build/Debug/NavigationStackBackport.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -module-name NavigationStackBackport -frontend-parseable-output -disable-clang-spi -target-sdk-version 15.4 -target-sdk-name macosx15.4 -external-plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins\#/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server -external-plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/local/lib/swift/host/plugins\#/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server -in-process-plugin-server-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins -plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/local/lib/swift/host/plugins -emit-module-doc-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/navigation-stack-backport.build/Debug/NavigationStackBackport.build/Objects-normal/arm64/NavigationStackBackport.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/navigation-stack-backport.build/Debug/NavigationStackBackport.build/Objects-normal/arm64/NavigationStackBackport.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/navigation-stack-backport.build/Debug/NavigationStackBackport.build/Objects-normal/arm64/NavigationStackBackport-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/navigation-stack-backport.build/Debug/NavigationStackBackport.build/Objects-normal/arm64/NavigationStackBackport-master-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/navigation-stack-backport.build/Debug/NavigationStackBackport.build/Objects-normal/arm64/NavigationStackBackport-master-emit-module.d -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/navigation-stack-backport.build/Debug/NavigationStackBackport.build/Objects-normal/arm64/NavigationStackBackport.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/navigation-stack-backport.build/Debug/NavigationStackBackport.build/Objects-normal/arm64/NavigationStackBackport.abi.json
EmitSwiftModule normal arm64 (in target 'NavigationStackBackport' from project 'navigation-stack-backport')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Backport.swift:3:33: error: 'View' is only available in macOS 10.15 or newer
public struct Backport<Content: View> {
                                ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Backport.swift:3:15: note: add @available attribute to enclosing generic struct
public struct Backport<Content: View> {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Backport.swift:7:18: error: 'View' is only available in macOS 10.15 or newer
public extension View {
                 ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Backport.swift:7:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:4:58: error: 'View' is only available in macOS 10.15 or newer
        @ViewBuilder func navigationDestination<D: Hashable, C: View>(for data: D.Type, @ViewBuilder destination: @escaping (D) -> C) -> some View {
                                                                ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:4:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<D: Hashable, C: View>(for data: D.Type, @ViewBuilder destination: @escaping (D) -> C) -> some View {
                          ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:4:83: error: 'ViewBuilder' is only available in macOS 10.15 or newer
        @ViewBuilder func navigationDestination<D: Hashable, C: View>(for data: D.Type, @ViewBuilder destination: @escaping (D) -> C) -> some View {
                                                                                         ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:4:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<D: Hashable, C: View>(for data: D.Type, @ViewBuilder destination: @escaping (D) -> C) -> some View {
                          ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:4:136: error: 'View' is only available in macOS 10.15 or newer
        @ViewBuilder func navigationDestination<D: Hashable, C: View>(for data: D.Type, @ViewBuilder destination: @escaping (D) -> C) -> some View {
                                                                                                                                              ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:4:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<D: Hashable, C: View>(for data: D.Type, @ViewBuilder destination: @escaping (D) -> C) -> some View {
                          ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:4:3: error: 'ViewBuilder' is only available in macOS 10.15 or newer
        @ViewBuilder func navigationDestination<D: Hashable, C: View>(for data: D.Type, @ViewBuilder destination: @escaping (D) -> C) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:4:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<D: Hashable, C: View>(for data: D.Type, @ViewBuilder destination: @escaping (D) -> C) -> some View {
                          ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:15:3: error: 'Namespace' is only available in macOS 11.0 or newer
        @Namespace private var id
         ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:13:16: note: add @available attribute to enclosing generic struct
private struct DestinationModifier<D: Hashable, C: View>: ViewModifier {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:16:3: error: 'Environment' is only available in macOS 10.15 or newer
        @Environment(\.navigationAuthority) private var authority
         ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:13:16: note: add @available attribute to enclosing generic struct
private struct DestinationModifier<D: Hashable, C: View>: ViewModifier {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:18:38: error: 'View' is only available in macOS 10.15 or newer
        func body(content: Content) -> some View {
                                            ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:18:7: note: add @available attribute to enclosing instance method
        func body(content: Content) -> some View {
             ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:13:16: note: add @available attribute to enclosing generic struct
private struct DestinationModifier<D: Hashable, C: View>: ViewModifier {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:13:52: error: 'View' is only available in macOS 10.15 or newer
private struct DestinationModifier<D: Hashable, C: View>: ViewModifier {
                                                   ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:13:16: note: add @available attribute to enclosing generic struct
private struct DestinationModifier<D: Hashable, C: View>: ViewModifier {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:33:41: error: 'AnyView' is only available in macOS 10.15 or newer
        let view: (NavigationPathItem, Int) -> AnyView?
                                               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:32:8: note: add @available attribute to enclosing struct
struct Destination {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:36:44: error: 'View' is only available in macOS 10.15 or newer
        init<Data>(view: @escaping (Data) -> some View) {
                                                  ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:36:2: note: add @available attribute to enclosing initializer
        init<Data>(view: @escaping (Data) -> some View) {
        ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:32:8: note: add @available attribute to enclosing struct
struct Destination {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:36:44: error: 'View' is only available in macOS 10.15 or newer
        init<Data>(view: @escaping (Data) -> some View) {
                                                  ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:36:2: note: add @available attribute to enclosing initializer
        init<Data>(view: @escaping (Data) -> some View) {
        ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:32:8: note: add @available attribute to enclosing struct
struct Destination {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:45:11: error: 'EnvironmentValues' is only available in macOS 10.15 or newer
extension EnvironmentValues {
          ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:45:1: note: add @available attribute to enclosing extension
extension EnvironmentValues {
^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:53:13: warning: static property 'defaultValue' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
        static var defaultValue = 0
                   ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:53:13: note: convert 'defaultValue' to a 'let' constant to make 'Sendable' shared state immutable
        static var defaultValue = 0
               ~~~ ^
               let
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:53:13: note: add '@MainActor' to make static property 'defaultValue' part of global actor 'MainActor'
        static var defaultValue = 0
                   ^
        @MainActor
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:53:13: note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
        static var defaultValue = 0
                   ^
        nonisolated(unsafe)
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:57:13: warning: static property 'defaultValue' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
        static var defaultValue: Set<Namespace.ID> = []
                   ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:57:13: note: convert 'defaultValue' to a 'let' constant to make 'Sendable' shared state immutable
        static var defaultValue: Set<Namespace.ID> = []
               ~~~ ^
               let
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:57:13: note: add '@MainActor' to make static property 'defaultValue' part of global actor 'MainActor'
        static var defaultValue: Set<Namespace.ID> = []
                   ^
        @MainActor
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:57:13: note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
        static var defaultValue: Set<Namespace.ID> = []
                   ^
        nonisolated(unsafe)
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:57:31: error: 'Namespace' is only available in macOS 11.0 or newer
        static var defaultValue: Set<Namespace.ID> = []
                                     ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:57:13: note: add @available attribute to enclosing static property
        static var defaultValue: Set<Namespace.ID> = []
                   ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:56:8: note: add @available attribute to enclosing struct
struct DestinationIDsKey: PreferenceKey {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:59:38: error: 'Namespace' is only available in macOS 11.0 or newer
        static func reduce(value: inout Set<Namespace.ID>, nextValue: () -> Set<Namespace.ID>) {
                                            ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:59:14: note: add @available attribute to enclosing static method
        static func reduce(value: inout Set<Namespace.ID>, nextValue: () -> Set<Namespace.ID>) {
                    ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:56:8: note: add @available attribute to enclosing struct
struct DestinationIDsKey: PreferenceKey {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:59:74: error: 'Namespace' is only available in macOS 11.0 or newer
        static func reduce(value: inout Set<Namespace.ID>, nextValue: () -> Set<Namespace.ID>) {
                                                                                ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:59:14: note: add @available attribute to enclosing static method
        static func reduce(value: inout Set<Namespace.ID>, nextValue: () -> Set<Namespace.ID>) {
                    ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:56:8: note: add @available attribute to enclosing struct
struct DestinationIDsKey: PreferenceKey {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:5:33: error: cannot find type 'UINavigationController' in scope
        weak var navigationController: UINavigationController? {
                                       ^~~~~~~~~~~~~~~~~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:97:52: error: cannot find type 'UINavigationController' in scope
        func navigationController(_ navigationController: UINavigationController, didShow viewController: UIViewController, animated: Bool) {
                                                          ^~~~~~~~~~~~~~~~~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:97:100: error: cannot find type 'UIViewController' in scope
        func navigationController(_ navigationController: UINavigationController, didShow viewController: UIViewController, animated: Bool) {
                                                                                                          ^~~~~~~~~~~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:9:26: error: 'Namespace' is only available in macOS 11.0 or newer
        var destinationIds: Set<Namespace.ID> = [] {
                                ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:4:7: note: add @available attribute to enclosing class
class NavigationAuthority: NSObject, ObservableObject {
      ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:15:24: error: 'Namespace' is only available in macOS 11.0 or newer
        var presentationIds: [Namespace.ID] = [] {
                              ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:4:7: note: add @available attribute to enclosing class
class NavigationAuthority: NSObject, ObservableObject {
      ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:22:25: error: 'PassthroughSubject' is only available in macOS 10.15 or newer
        let pathPopPublisher = PassthroughSubject<Int, Never>()
                               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:4:7: note: add @available attribute to enclosing class
class NavigationAuthority: NSObject, ObservableObject {
      ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:23:26: error: 'PassthroughSubject' is only available in macOS 10.15 or newer
        let pathPushPublisher = PassthroughSubject<NavigationPathItem, Never>()
                                ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:4:7: note: add @available attribute to enclosing class
class NavigationAuthority: NSObject, ObservableObject {
      ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:24:33: error: 'PassthroughSubject' is only available in macOS 10.15 or newer
        let presentationPopPublisher = PassthroughSubject<Namespace.ID, Never>()
                                       ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:4:7: note: add @available attribute to enclosing class
class NavigationAuthority: NSObject, ObservableObject {
      ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:28:29: error: 'Namespace' is only available in macOS 11.0 or newer
        private var destinations: [Namespace.ID: Destination] = [:]
                                   ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:4:7: note: add @available attribute to enclosing class
class NavigationAuthority: NSObject, ObservableObject {
      ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:29:30: error: 'Namespace' is only available in macOS 11.0 or newer
        private var presentations: [Namespace.ID: Presentation] = [:]
                                    ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:4:7: note: add @available attribute to enclosing class
class NavigationAuthority: NSObject, ObservableObject {
      ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:34:18: error: 'Namespace' is only available in macOS 11.0 or newer
        func update(id: Namespace.ID, destination: Destination) {
                        ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:34:7: note: add @available attribute to enclosing instance method
        func update(id: Namespace.ID, destination: Destination) {
             ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:33:1: note: add @available attribute to enclosing extension
extension NavigationAuthority {
^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:45:18: error: 'Namespace' is only available in macOS 11.0 or newer
        func update(id: Namespace.ID, presentation: Presentation) {
                        ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:45:7: note: add @available attribute to enclosing instance method
        func update(id: Namespace.ID, presentation: Presentation) {
             ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:33:1: note: add @available attribute to enclosing extension
extension NavigationAuthority {
^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:96:32: error: cannot find type 'UINavigationControllerDelegate' in scope
extension NavigationAuthority: UINavigationControllerDelegate {
                               ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:114:57: error: 'AnyView' is only available in macOS 10.15 or newer
        func view(for item: NavigationPathItem, index: Int) -> AnyView {
                                                               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:114:7: note: add @available attribute to enclosing instance method
        func view(for item: NavigationPathItem, index: Int) -> AnyView {
             ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:113:9: note: add @available attribute to enclosing extension
private extension NavigationAuthority {
        ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:129:45: error: 'Namespace' is only available in macOS 11.0 or newer
        func cleanupDestinations(_ removedIds: Set<Namespace.ID>) {
                                                   ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:129:7: note: add @available attribute to enclosing instance method
        func cleanupDestinations(_ removedIds: Set<Namespace.ID>) {
             ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:113:9: note: add @available attribute to enclosing extension
private extension NavigationAuthority {
        ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:150:11: error: 'EnvironmentValues' is only available in macOS 10.15 or newer
extension EnvironmentValues {
          ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:150:1: note: add @available attribute to enclosing extension
extension EnvironmentValues {
^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:158:13: warning: static property 'defaultValue' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
        static var defaultValue = NavigationAuthority()
                   ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:158:13: note: convert 'defaultValue' to a 'let' constant to make 'Sendable' shared state immutable
        static var defaultValue = NavigationAuthority()
               ~~~ ^
               let
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:158:13: note: add '@MainActor' to make static property 'defaultValue' part of global actor 'MainActor'
        static var defaultValue = NavigationAuthority()
                   ^
        @MainActor
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:158:13: note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
        static var defaultValue = NavigationAuthority()
                   ^
        nonisolated(unsafe)
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:4:19: error: 'AnyView' is only available in macOS 10.15 or newer
        public let body: AnyView
                         ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:3:15: note: add @available attribute to enclosing generic struct
public struct NavigationLink<Label: View>: View {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:6:39: error: 'ViewBuilder' is only available in macOS 10.15 or newer
        public init<P: Hashable>(value: P?, @ViewBuilder label: () -> Label) {
                                             ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:6:9: note: add @available attribute to enclosing initializer
        public init<P: Hashable>(value: P?, @ViewBuilder label: () -> Label) {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:3:15: note: add @available attribute to enclosing generic struct
public struct NavigationLink<Label: View>: View {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:14:39: error: 'ViewBuilder' is only available in macOS 10.15 or newer
        public init<P: Hashable>(value: P?, @ViewBuilder label: () -> Label) where P: Codable {
                                             ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:14:9: note: add @available attribute to enclosing initializer
        public init<P: Hashable>(value: P?, @ViewBuilder label: () -> Label) where P: Codable {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:3:15: note: add @available attribute to enclosing generic struct
public struct NavigationLink<Label: View>: View {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:22:85: error: 'Text' is only available in macOS 10.15 or newer
        public init<P: Hashable>(_ titleKey: LocalizedStringKey, value: P?) where Label == Text {
                                                                                           ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:22:9: note: add @available attribute to enclosing initializer
        public init<P: Hashable>(_ titleKey: LocalizedStringKey, value: P?) where Label == Text {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:3:15: note: add @available attribute to enclosing generic struct
public struct NavigationLink<Label: View>: View {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:22:39: error: 'LocalizedStringKey' is only available in macOS 10.15 or newer
        public init<P: Hashable>(_ titleKey: LocalizedStringKey, value: P?) where Label == Text {
                                             ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:22:9: note: add @available attribute to enclosing initializer
        public init<P: Hashable>(_ titleKey: LocalizedStringKey, value: P?) where Label == Text {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:3:15: note: add @available attribute to enclosing generic struct
public struct NavigationLink<Label: View>: View {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:30:85: error: 'Text' is only available in macOS 10.15 or newer
        public init<P: Hashable>(_ titleKey: LocalizedStringKey, value: P?) where Label == Text, P: Codable {
                                                                                           ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:30:9: note: add @available attribute to enclosing initializer
        public init<P: Hashable>(_ titleKey: LocalizedStringKey, value: P?) where Label == Text, P: Codable {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:3:15: note: add @available attribute to enclosing generic struct
public struct NavigationLink<Label: View>: View {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:30:39: error: 'LocalizedStringKey' is only available in macOS 10.15 or newer
        public init<P: Hashable>(_ titleKey: LocalizedStringKey, value: P?) where Label == Text, P: Codable {
                                             ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:30:9: note: add @available attribute to enclosing initializer
        public init<P: Hashable>(_ titleKey: LocalizedStringKey, value: P?) where Label == Text, P: Codable {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:3:15: note: add @available attribute to enclosing generic struct
public struct NavigationLink<Label: View>: View {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:38:68: error: 'Text' is only available in macOS 10.15 or newer
        public init<P: Hashable, S>(_ title: S, value: P?) where Label == Text, S: StringProtocol {
                                                                          ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:38:9: note: add @available attribute to enclosing initializer
        public init<P: Hashable, S>(_ title: S, value: P?) where Label == Text, S: StringProtocol {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:3:15: note: add @available attribute to enclosing generic struct
public struct NavigationLink<Label: View>: View {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:46:68: error: 'Text' is only available in macOS 10.15 or newer
        public init<P: Hashable, S>(_ title: S, value: P?) where Label == Text, S: StringProtocol, P: Codable {
                                                                          ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:46:9: note: add @available attribute to enclosing initializer
        public init<P: Hashable, S>(_ title: S, value: P?) where Label == Text, S: StringProtocol, P: Codable {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:3:15: note: add @available attribute to enclosing generic struct
public struct NavigationLink<Label: View>: View {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:3:37: error: 'View' is only available in macOS 10.15 or newer
public struct NavigationLink<Label: View>: View {
                                    ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:3:15: note: add @available attribute to enclosing generic struct
public struct NavigationLink<Label: View>: View {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:59:4: error: 'Environment' is only available in macOS 10.15 or newer
                @Environment(\.navigationAuthority) private var authority
                 ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:56:9: note: add @available attribute to enclosing struct
        struct Backport: View {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:56:9: note: add @available attribute to enclosing struct
        struct Backport: View {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:61:18: error: 'View' is only available in macOS 10.15 or newer
                var body: some View {
                               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:61:7: note: add @available attribute to enclosing property
                var body: some View {
                    ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:56:9: note: add @available attribute to enclosing struct
        struct Backport: View {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationPath.swift:11:27: error: 'NavigationPath' is only available in macOS 13.0 or newer
        var swiftUIPath: SwiftUI.NavigationPath {
                                 ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationPath.swift:11:6: note: add @available attribute to enclosing property
        var swiftUIPath: SwiftUI.NavigationPath {
            ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationPath.swift:3:15: note: add @available attribute to enclosing struct
public struct NavigationPath {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationPathBox.swift:14:19: error: 'NavigationPath' is only available in macOS 13.0 or newer
extension SwiftUI.NavigationPath: NavigationPathBox {
                  ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationPathBox.swift:14:1: note: add @available attribute to enclosing extension
extension SwiftUI.NavigationPath: NavigationPathBox {
^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:4:19: error: 'AnyView' is only available in macOS 10.15 or newer
        public let body: AnyView
                         ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:3:15: note: add @available attribute to enclosing generic struct
public struct NavigationStack<Data, Root: View>: View {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:6:15: error: 'ViewBuilder' is only available in macOS 10.15 or newer
        public init(@ViewBuilder root: () -> Root) where Data == NavigationPath {
                     ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:6:9: note: add @available attribute to enclosing initializer
        public init(@ViewBuilder root: () -> Root) where Data == NavigationPath {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:3:15: note: add @available attribute to enclosing generic struct
public struct NavigationStack<Data, Root: View>: View {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:14:20: error: 'Binding' is only available in macOS 10.15 or newer
        public init(path: Binding<NavigationPath>, @ViewBuilder root: () -> Root) where Data == NavigationPath {
                          ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:14:9: note: add @available attribute to enclosing initializer
        public init(path: Binding<NavigationPath>, @ViewBuilder root: () -> Root) where Data == NavigationPath {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:3:15: note: add @available attribute to enclosing generic struct
public struct NavigationStack<Data, Root: View>: View {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:14:46: error: 'ViewBuilder' is only available in macOS 10.15 or newer
        public init(path: Binding<NavigationPath>, @ViewBuilder root: () -> Root) where Data == NavigationPath {
                                                    ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:14:9: note: add @available attribute to enclosing initializer
        public init(path: Binding<NavigationPath>, @ViewBuilder root: () -> Root) where Data == NavigationPath {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:3:15: note: add @available attribute to enclosing generic struct
public struct NavigationStack<Data, Root: View>: View {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:22:20: error: 'Binding' is only available in macOS 10.15 or newer
        public init(path: Binding<Data>, @ViewBuilder root: () -> Root) where Data: MutableCollection, Data: RandomAccessCollection, Data: RangeReplaceableCollection, Data.Element: Hashable {
                          ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:22:9: note: add @available attribute to enclosing initializer
        public init(path: Binding<Data>, @ViewBuilder root: () -> Root) where Data: MutableCollection, Data: RandomAccessCollection, Data: RangeReplaceableCollection, Data.Element: Hashable {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:3:15: note: add @available attribute to enclosing generic struct
public struct NavigationStack<Data, Root: View>: View {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:22:36: error: 'ViewBuilder' is only available in macOS 10.15 or newer
        public init(path: Binding<Data>, @ViewBuilder root: () -> Root) where Data: MutableCollection, Data: RandomAccessCollection, Data: RangeReplaceableCollection, Data.Element: Hashable {
                                          ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:22:9: note: add @available attribute to enclosing initializer
        public init(path: Binding<Data>, @ViewBuilder root: () -> Root) where Data: MutableCollection, Data: RandomAccessCollection, Data: RangeReplaceableCollection, Data.Element: Hashable {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:3:15: note: add @available attribute to enclosing generic struct
public struct NavigationStack<Data, Root: View>: View {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:3:43: error: 'View' is only available in macOS 10.15 or newer
public struct NavigationStack<Data, Root: View>: View {
                                          ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:3:15: note: add @available attribute to enclosing generic struct
public struct NavigationStack<Data, Root: View>: View {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:39:4: error: 'State' is only available in macOS 10.15 or newer
                @State private var path = NavigationPathBackport(items: [])
                 ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:37:9: note: add @available attribute to enclosing struct
        struct ImplicitStateView: View {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:37:9: note: add @available attribute to enclosing struct
        struct ImplicitStateView: View {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:41:18: error: 'View' is only available in macOS 10.15 or newer
                var body: some View {
                               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:41:7: note: add @available attribute to enclosing property
                var body: some View {
                    ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:37:9: note: add @available attribute to enclosing struct
        struct ImplicitStateView: View {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:47:4: error: 'Binding' is only available in macOS 10.15 or newer
                @Binding var path: NavigationPathBackport
                 ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:46:9: note: add @available attribute to enclosing struct
        struct AuthorityView: View {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:46:9: note: add @available attribute to enclosing struct
        struct AuthorityView: View {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:50:4: error: 'StateObject' is only available in macOS 11.0 or newer
                @StateObject private var authority = NavigationAuthority()
                 ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:46:9: note: add @available attribute to enclosing struct
        struct AuthorityView: View {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:46:9: note: add @available attribute to enclosing struct
        struct AuthorityView: View {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:52:18: error: 'View' is only available in macOS 10.15 or newer
                var body: some View {
                               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:52:7: note: add @available attribute to enclosing property
                var body: some View {
                    ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:46:9: note: add @available attribute to enclosing struct
        struct AuthorityView: View {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationUpdate.swift:4:24: error: cannot find type 'UIViewController' in scope
        var viewControllers: [UIViewController] {
                              ^~~~~~~~~~~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationUpdate.swift:8:36: error: cannot find type 'UINavigationController' in scope
        private let navigationController: UINavigationController
                                          ^~~~~~~~~~~~~~~~~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationUpdate.swift:9:37: error: cannot find type 'UIViewController' in scope
        private var addedViewControllers: [UIViewController] = []
                                           ^~~~~~~~~~~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationUpdate.swift:12:29: error: cannot find type 'UINavigationController' in scope
        init(navigationController: UINavigationController) {
                                   ^~~~~~~~~~~~~~~~~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationUpdate.swift:17:29: error: 'AnyView' is only available in macOS 10.15 or newer
        mutating func view(_ view: AnyView, at index: Int) {
                                   ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationUpdate.swift:17:16: note: add @available attribute to enclosing instance method
        mutating func view(_ view: AnyView, at index: Int) {
                      ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationUpdate.swift:3:19: note: add @available attribute to enclosing struct
@MainActor struct NavigationUpdate {
                  ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:45: error: 'View' is only available in macOS 10.15 or newer
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                                                   ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                          ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:64: error: 'Binding' is only available in macOS 10.15 or newer
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                                                                      ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                          ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:80: error: 'ViewBuilder' is only available in macOS 10.15 or newer
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                                                                                      ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                          ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:122: error: 'View' is only available in macOS 10.15 or newer
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                                                                                                                                ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                          ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:3: error: 'ViewBuilder' is only available in macOS 10.15 or newer
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                          ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:12:58: error: 'View' is only available in macOS 10.15 or newer
        @ViewBuilder func navigationDestination<D: Hashable, C: View>(
                                                                ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:12:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<D: Hashable, C: View>(
                          ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:13:9: error: 'Binding' is only available in macOS 10.15 or newer
                item: Binding<D?>,
                      ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:12:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<D: Hashable, C: View>(
                          ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:14:4: error: 'ViewBuilder' is only available in macOS 10.15 or newer
                @ViewBuilder destination: @escaping (D) -> C
                 ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:12:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<D: Hashable, C: View>(
                          ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:15:12: error: 'View' is only available in macOS 10.15 or newer
        ) -> some View {
                  ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:12:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<D: Hashable, C: View>(
                          ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:12:3: error: 'ViewBuilder' is only available in macOS 10.15 or newer
        @ViewBuilder func navigationDestination<D: Hashable, C: View>(
         ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:12:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<D: Hashable, C: View>(
                          ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:25:3: error: 'Binding' is only available in macOS 10.15 or newer
        @Binding var isPresented: Bool
         ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:24:16: note: add @available attribute to enclosing generic struct
private struct PresentationModifier<C: View>: ViewModifier {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:28:3: error: 'Namespace' is only available in macOS 11.0 or newer
        @Namespace private var id
         ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:24:16: note: add @available attribute to enclosing generic struct
private struct PresentationModifier<C: View>: ViewModifier {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:29:3: error: 'Environment' is only available in macOS 10.15 or newer
        @Environment(\.navigationContextId) private var contextId
         ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:24:16: note: add @available attribute to enclosing generic struct
private struct PresentationModifier<C: View>: ViewModifier {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:30:3: error: 'Environment' is only available in macOS 10.15 or newer
        @Environment(\.navigationAuthority) private var authority
         ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:24:16: note: add @available attribute to enclosing generic struct
private struct PresentationModifier<C: View>: ViewModifier {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:32:38: error: 'View' is only available in macOS 10.15 or newer
        func body(content: Content) -> some View {
                                            ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:32:7: note: add @available attribute to enclosing instance method
        func body(content: Content) -> some View {
             ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:24:16: note: add @available attribute to enclosing generic struct
private struct PresentationModifier<C: View>: ViewModifier {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:24:40: error: 'View' is only available in macOS 10.15 or newer
private struct PresentationModifier<C: View>: ViewModifier {
                                       ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:24:16: note: add @available attribute to enclosing generic struct
private struct PresentationModifier<C: View>: ViewModifier {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:51:3: error: 'Binding' is only available in macOS 10.15 or newer
        @Binding var item: D?
         ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:50:16: note: add @available attribute to enclosing generic struct
private struct ItemPresentationModifier<D: Hashable, C: View>: ViewModifier {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:54:38: error: 'View' is only available in macOS 10.15 or newer
        func body(content: Content) -> some View {
                                            ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:54:7: note: add @available attribute to enclosing instance method
        func body(content: Content) -> some View {
             ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:50:16: note: add @available attribute to enclosing generic struct
private struct ItemPresentationModifier<D: Hashable, C: View>: ViewModifier {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:50:57: error: 'View' is only available in macOS 10.15 or newer
private struct ItemPresentationModifier<D: Hashable, C: View>: ViewModifier {
                                                        ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:50:16: note: add @available attribute to enclosing generic struct
private struct ItemPresentationModifier<D: Hashable, C: View>: ViewModifier {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:74:12: error: 'AnyView' is only available in macOS 10.15 or newer
        let view: AnyView
                  ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:71:8: note: add @available attribute to enclosing struct
struct Presentation {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:76:53: error: 'View' is only available in macOS 10.15 or newer
        init(contextId: Int, isPresented: Bool, view: some View) {
                                                           ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:76:2: note: add @available attribute to enclosing initializer
        init(contextId: Int, isPresented: Bool, view: some View) {
        ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:71:8: note: add @available attribute to enclosing struct
struct Presentation {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:76:53: error: 'View' is only available in macOS 10.15 or newer
        init(contextId: Int, isPresented: Bool, view: some View) {
                                                           ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:76:2: note: add @available attribute to enclosing initializer
        init(contextId: Int, isPresented: Bool, view: some View) {
        ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:71:8: note: add @available attribute to enclosing struct
struct Presentation {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:84:13: warning: static property 'defaultValue' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
        static var defaultValue: [Namespace.ID] = []
                   ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:84:13: note: convert 'defaultValue' to a 'let' constant to make 'Sendable' shared state immutable
        static var defaultValue: [Namespace.ID] = []
               ~~~ ^
               let
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:84:13: note: add '@MainActor' to make static property 'defaultValue' part of global actor 'MainActor'
        static var defaultValue: [Namespace.ID] = []
                   ^
        @MainActor
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:84:13: note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
        static var defaultValue: [Namespace.ID] = []
                   ^
        nonisolated(unsafe)
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:84:28: error: 'Namespace' is only available in macOS 11.0 or newer
        static var defaultValue: [Namespace.ID] = []
                                  ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:84:13: note: add @available attribute to enclosing static property
        static var defaultValue: [Namespace.ID] = []
                   ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:83:8: note: add @available attribute to enclosing struct
struct PresentationIDsKey: PreferenceKey {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:86:35: error: 'Namespace' is only available in macOS 11.0 or newer
        static func reduce(value: inout [Namespace.ID], nextValue: () -> [Namespace.ID]) {
                                         ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:86:14: note: add @available attribute to enclosing static method
        static func reduce(value: inout [Namespace.ID], nextValue: () -> [Namespace.ID]) {
                    ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:83:8: note: add @available attribute to enclosing struct
struct PresentationIDsKey: PreferenceKey {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:86:68: error: 'Namespace' is only available in macOS 11.0 or newer
        static func reduce(value: inout [Namespace.ID], nextValue: () -> [Namespace.ID]) {
                                                                          ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:86:14: note: add @available attribute to enclosing static method
        static func reduce(value: inout [Namespace.ID], nextValue: () -> [Namespace.ID]) {
                    ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:83:8: note: add @available attribute to enclosing struct
struct PresentationIDsKey: PreferenceKey {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:6:3: error: 'Environment' is only available in macOS 10.15 or newer
        @Environment(\.navigationAuthority) private var authority
         ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:3:8: note: add @available attribute to enclosing generic struct
struct UIKitNavigation<Root: View>: UIViewControllerRepresentable {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:8:49: error: cannot find type 'UINavigationController' in scope
        func makeUIViewController(context: Context) -> UINavigationController {
                                                       ^~~~~~~~~~~~~~~~~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:8:37: error: cannot find type 'Context' in scope
        func makeUIViewController(context: Context) -> UINavigationController {
                                           ^~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:17:54: error: cannot find type 'UINavigationController' in scope
        func updateUIViewController(_ navigationController: UINavigationController, context: Context) {
                                                            ^~~~~~~~~~~~~~~~~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:17:87: error: cannot find type 'Context' in scope
        func updateUIViewController(_ navigationController: UINavigationController, context: Context) {
                                                                                             ^~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:3:37: error: cannot find type 'UIViewControllerRepresentable' in scope
struct UIKitNavigation<Root: View>: UIViewControllerRepresentable {
                                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:3:30: error: 'View' is only available in macOS 10.15 or newer
struct UIKitNavigation<Root: View>: UIViewControllerRepresentable {
                             ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:3:8: note: add @available attribute to enclosing generic struct
struct UIKitNavigation<Root: View>: UIViewControllerRepresentable {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:31:37: error: cannot find type 'UIHostingController' in scope
        func prelayout(rootViewController: UIHostingController<Root>, navigationController: UINavigationController) {
                                           ^~~~~~~~~~~~~~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:31:86: error: cannot find type 'UINavigationController' in scope
        func prelayout(rootViewController: UIHostingController<Root>, navigationController: UINavigationController) {
                                                                                            ^~~~~~~~~~~~~~~~~~~~~~
SwiftCompile normal arm64 Compiling\ NavigationUpdate.swift /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationUpdate.swift (in target 'NavigationStackBackport' from project 'navigation-stack-backport')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationUpdate.swift (in target 'NavigationStackBackport' from project 'navigation-stack-backport')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ NavigationStack.swift /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift (in target 'NavigationStackBackport' from project 'navigation-stack-backport')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift (in target 'NavigationStackBackport' from project 'navigation-stack-backport')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ NavigationPathBackport.swift /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationPathBackport.swift (in target 'NavigationStackBackport' from project 'navigation-stack-backport')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationPathBackport.swift (in target 'NavigationStackBackport' from project 'navigation-stack-backport')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ NavigationPathItem.swift /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationPathItem.swift (in target 'NavigationStackBackport' from project 'navigation-stack-backport')
Command SwiftCompile failed with a nonzero exit code
--- xcodebuild: WARNING: Using the first of multiple matching destinations:
{ platform:macOS, arch:arm64, id:3115cc5d501e485c7256648548ce364ecb5a8fe6, name:My Mac }
{ platform:macOS, arch:arm64, variant:Mac Catalyst, id:3115cc5d501e485c7256648548ce364ecb5a8fe6, name:My Mac }
{ platform:macOS, arch:arm64, variant:DriverKit, id:3115cc5d501e485c7256648548ce364ecb5a8fe6, name:My Mac }
{ platform:macOS, arch:arm64, variant:Designed for [iPad,iPhone], id:3115cc5d501e485c7256648548ce364ecb5a8fe6, name:My Mac }
** BUILD FAILED **
The following build commands failed:
	SwiftEmitModule normal arm64 Emitting\ module\ for\ NavigationStackBackport (in target 'NavigationStackBackport' from project 'navigation-stack-backport')
	EmitSwiftModule normal arm64 (in target 'NavigationStackBackport' from project 'navigation-stack-backport')
	SwiftCompile normal arm64 Compiling\ NavigationPathItem.swift /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationPathItem.swift (in target 'NavigationStackBackport' from project 'navigation-stack-backport')
	Building workspace spi-builder-workspace with scheme navigation-stack-backport
(4 failures)
Command line invocation:
    /Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolved source packages:
  navigation-stack-backport: /Users/admin/builder/spi-builder-workspace
resolved source packages: navigation-stack-backport
{
  "dependencies" : [
  ],
  "manifest_display_name" : "navigation-stack-backport",
  "name" : "navigation-stack-backport",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "14.0"
    }
  ],
  "products" : [
    {
      "name" : "NavigationStackBackport",
      "targets" : [
        "NavigationStackBackport"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "NavigationStackBackportTests",
      "module_type" : "SwiftTarget",
      "name" : "NavigationStackBackportTests",
      "path" : "Tests/NavigationStackBackportTests",
      "sources" : [
        "NavigationPathItemTests.swift",
        "NavigationPathTests.swift"
      ],
      "target_dependencies" : [
        "NavigationStackBackport"
      ],
      "type" : "test"
    },
    {
      "c99name" : "NavigationStackBackport",
      "module_type" : "SwiftTarget",
      "name" : "NavigationStackBackport",
      "path" : "Sources/NavigationStackBackport",
      "product_memberships" : [
        "NavigationStackBackport"
      ],
      "sources" : [
        "Backport.swift",
        "CodableRepresentation.swift",
        "Destination.swift",
        "NavigationAuthority.swift",
        "NavigationLink.swift",
        "NavigationPath.swift",
        "NavigationPathBackport.swift",
        "NavigationPathBox.swift",
        "NavigationPathItem.swift",
        "NavigationStack.swift",
        "NavigationUpdate.swift",
        "Presentation.swift",
        "UIKitNavigation.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.6"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "navigation-stack-backport"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme navigation-stack-backport -destination platform=macOS,arch=arm64
Command line invocation:
    /Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath /Users/admin/builder/spi-builder-workspace/.derivedData build -scheme navigation-stack-backport -destination platform=macOS,arch=arm64
Resolve Package Graph
Resolved source packages:
  navigation-stack-backport: /Users/admin/builder/spi-builder-workspace
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (2 targets)
    Target 'NavigationStackBackport' in project 'navigation-stack-backport'
        ➜ Explicit dependency on target 'NavigationStackBackport' in project 'navigation-stack-backport'
    Target 'NavigationStackBackport' in project 'navigation-stack-backport' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: a4d7a026c37a77e67a4eb0a6054235db
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/a4d7a026c37a77e67a4eb0a6054235db.xcbuilddata
ClangStatCache /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx15.4-24E241-8287b8f5db97e746a1562fbca0c9d29b.sdkstatcache
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx15.4-24E241-8287b8f5db97e746a1562fbca0c9d29b.sdkstatcache
SwiftDriver NavigationStackBackport normal arm64 com.apple.xcode.tools.swift.compiler (in target 'NavigationStackBackport' from project 'navigation-stack-backport')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftDriver -- /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -module-name NavigationStackBackport -Onone -enforce-exclusivity\=checked @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/navigation-stack-backport.build/Debug/NavigationStackBackport.build/Objects-normal/arm64/NavigationStackBackport.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DXcode -plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk -target arm64-apple-macos10.13 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -profile-coverage-mapping -profile-generate -enable-testing -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -swift-version 5 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -I /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx15.4-24E241-8287b8f5db97e746a1562fbca0c9d29b.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/navigation-stack-backport.build/Debug/NavigationStackBackport.build/Objects-normal/arm64/NavigationStackBackport-OutputFileMap.json -use-frontend-parseable-output -save-temps -no-color-diagnostics -serialize-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/navigation-stack-backport.build/Debug/NavigationStackBackport.build/Objects-normal/arm64/NavigationStackBackport.swiftmodule -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/navigation-stack-backport.build/Debug/NavigationStackBackport.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/navigation-stack-backport.build/Debug/NavigationStackBackport.build/Objects-normal/arm64/NavigationStackBackport_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/navigation-stack-backport.build/Debug/NavigationStackBackport.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/navigation-stack-backport.build/Debug/NavigationStackBackport.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/navigation-stack-backport.build/Debug/NavigationStackBackport.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -emit-objc-header -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/navigation-stack-backport.build/Debug/NavigationStackBackport.build/Objects-normal/arm64/NavigationStackBackport-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftCompile normal arm64 Compiling\ NavigationPathBox.swift /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationPathBox.swift (in target 'NavigationStackBackport' from project 'navigation-stack-backport')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationPathBox.swift (in target 'NavigationStackBackport' from project 'navigation-stack-backport')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ Backport.swift,\ CodableRepresentation.swift /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Backport.swift /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/CodableRepresentation.swift (in target 'NavigationStackBackport' from project 'navigation-stack-backport')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Backport.swift (in target 'NavigationStackBackport' from project 'navigation-stack-backport')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/CodableRepresentation.swift (in target 'NavigationStackBackport' from project 'navigation-stack-backport')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ Destination.swift,\ NavigationAuthority.swift /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift (in target 'NavigationStackBackport' from project 'navigation-stack-backport')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift (in target 'NavigationStackBackport' from project 'navigation-stack-backport')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift (in target 'NavigationStackBackport' from project 'navigation-stack-backport')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ NavigationLink.swift,\ NavigationPath.swift /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationPath.swift (in target 'NavigationStackBackport' from project 'navigation-stack-backport')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift (in target 'NavigationStackBackport' from project 'navigation-stack-backport')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationPath.swift (in target 'NavigationStackBackport' from project 'navigation-stack-backport')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ NavigationPathBackport.swift /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationPathBackport.swift (in target 'NavigationStackBackport' from project 'navigation-stack-backport')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationPathBackport.swift (in target 'NavigationStackBackport' from project 'navigation-stack-backport')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftEmitModule normal arm64 Emitting\ module\ for\ NavigationStackBackport (in target 'NavigationStackBackport' from project 'navigation-stack-backport')
Failed frontend command:
/Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Backport.swift /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/CodableRepresentation.swift /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationPath.swift /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationPathBackport.swift /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationPathBox.swift /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationPathItem.swift /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationUpdate.swift /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift -target arm64-apple-macos10.13 -Xllvm -aarch64-use-tbi -enable-objc-interop -sdk /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -I /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -no-color-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -profile-generate -profile-coverage-mapping -swift-version 5 -enforce-exclusivity\=checked -Onone -D SWIFT_PACKAGE -D DEBUG -D Xcode -serialize-debugging-options -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/navigation-stack-backport.build/Debug/NavigationStackBackport.build/Objects-normal/arm64/NavigationStackBackport_const_extract_protocols.json -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -resource-dir /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift -enable-anonymous-context-mangled-names -file-compilation-dir /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx15.4-24E241-8287b8f5db97e746a1562fbca0c9d29b.sdkstatcache -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/navigation-stack-backport.build/Debug/NavigationStackBackport.build/swift-overrides.hmap -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/navigation-stack-backport.build/Debug/NavigationStackBackport.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/navigation-stack-backport.build/Debug/NavigationStackBackport.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/navigation-stack-backport.build/Debug/NavigationStackBackport.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -module-name NavigationStackBackport -frontend-parseable-output -disable-clang-spi -target-sdk-version 15.4 -target-sdk-name macosx15.4 -external-plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins\#/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server -external-plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/local/lib/swift/host/plugins\#/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server -in-process-plugin-server-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins -plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/local/lib/swift/host/plugins -emit-module-doc-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/navigation-stack-backport.build/Debug/NavigationStackBackport.build/Objects-normal/arm64/NavigationStackBackport.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/navigation-stack-backport.build/Debug/NavigationStackBackport.build/Objects-normal/arm64/NavigationStackBackport.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/navigation-stack-backport.build/Debug/NavigationStackBackport.build/Objects-normal/arm64/NavigationStackBackport-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/navigation-stack-backport.build/Debug/NavigationStackBackport.build/Objects-normal/arm64/NavigationStackBackport-master-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/navigation-stack-backport.build/Debug/NavigationStackBackport.build/Objects-normal/arm64/NavigationStackBackport-master-emit-module.d -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/navigation-stack-backport.build/Debug/NavigationStackBackport.build/Objects-normal/arm64/NavigationStackBackport.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/navigation-stack-backport.build/Debug/NavigationStackBackport.build/Objects-normal/arm64/NavigationStackBackport.abi.json
EmitSwiftModule normal arm64 (in target 'NavigationStackBackport' from project 'navigation-stack-backport')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Backport.swift:3:33: error: 'View' is only available in macOS 10.15 or newer
public struct Backport<Content: View> {
                                ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Backport.swift:3:15: note: add @available attribute to enclosing generic struct
public struct Backport<Content: View> {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Backport.swift:7:18: error: 'View' is only available in macOS 10.15 or newer
public extension View {
                 ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Backport.swift:7:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:4:58: error: 'View' is only available in macOS 10.15 or newer
        @ViewBuilder func navigationDestination<D: Hashable, C: View>(for data: D.Type, @ViewBuilder destination: @escaping (D) -> C) -> some View {
                                                                ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:4:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<D: Hashable, C: View>(for data: D.Type, @ViewBuilder destination: @escaping (D) -> C) -> some View {
                          ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:4:83: error: 'ViewBuilder' is only available in macOS 10.15 or newer
        @ViewBuilder func navigationDestination<D: Hashable, C: View>(for data: D.Type, @ViewBuilder destination: @escaping (D) -> C) -> some View {
                                                                                         ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:4:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<D: Hashable, C: View>(for data: D.Type, @ViewBuilder destination: @escaping (D) -> C) -> some View {
                          ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:4:136: error: 'View' is only available in macOS 10.15 or newer
        @ViewBuilder func navigationDestination<D: Hashable, C: View>(for data: D.Type, @ViewBuilder destination: @escaping (D) -> C) -> some View {
                                                                                                                                              ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:4:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<D: Hashable, C: View>(for data: D.Type, @ViewBuilder destination: @escaping (D) -> C) -> some View {
                          ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:4:3: error: 'ViewBuilder' is only available in macOS 10.15 or newer
        @ViewBuilder func navigationDestination<D: Hashable, C: View>(for data: D.Type, @ViewBuilder destination: @escaping (D) -> C) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:4:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<D: Hashable, C: View>(for data: D.Type, @ViewBuilder destination: @escaping (D) -> C) -> some View {
                          ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:15:3: error: 'Namespace' is only available in macOS 11.0 or newer
        @Namespace private var id
         ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:13:16: note: add @available attribute to enclosing generic struct
private struct DestinationModifier<D: Hashable, C: View>: ViewModifier {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:16:3: error: 'Environment' is only available in macOS 10.15 or newer
        @Environment(\.navigationAuthority) private var authority
         ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:13:16: note: add @available attribute to enclosing generic struct
private struct DestinationModifier<D: Hashable, C: View>: ViewModifier {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:18:38: error: 'View' is only available in macOS 10.15 or newer
        func body(content: Content) -> some View {
                                            ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:18:7: note: add @available attribute to enclosing instance method
        func body(content: Content) -> some View {
             ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:13:16: note: add @available attribute to enclosing generic struct
private struct DestinationModifier<D: Hashable, C: View>: ViewModifier {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:13:52: error: 'View' is only available in macOS 10.15 or newer
private struct DestinationModifier<D: Hashable, C: View>: ViewModifier {
                                                   ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:13:16: note: add @available attribute to enclosing generic struct
private struct DestinationModifier<D: Hashable, C: View>: ViewModifier {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:33:41: error: 'AnyView' is only available in macOS 10.15 or newer
        let view: (NavigationPathItem, Int) -> AnyView?
                                               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:32:8: note: add @available attribute to enclosing struct
struct Destination {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:36:44: error: 'View' is only available in macOS 10.15 or newer
        init<Data>(view: @escaping (Data) -> some View) {
                                                  ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:36:2: note: add @available attribute to enclosing initializer
        init<Data>(view: @escaping (Data) -> some View) {
        ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:32:8: note: add @available attribute to enclosing struct
struct Destination {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:36:44: error: 'View' is only available in macOS 10.15 or newer
        init<Data>(view: @escaping (Data) -> some View) {
                                                  ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:36:2: note: add @available attribute to enclosing initializer
        init<Data>(view: @escaping (Data) -> some View) {
        ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:32:8: note: add @available attribute to enclosing struct
struct Destination {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:45:11: error: 'EnvironmentValues' is only available in macOS 10.15 or newer
extension EnvironmentValues {
          ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:45:1: note: add @available attribute to enclosing extension
extension EnvironmentValues {
^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:57:31: error: 'Namespace' is only available in macOS 11.0 or newer
        static var defaultValue: Set<Namespace.ID> = []
                                     ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:57:13: note: add @available attribute to enclosing static property
        static var defaultValue: Set<Namespace.ID> = []
                   ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:56:8: note: add @available attribute to enclosing struct
struct DestinationIDsKey: PreferenceKey {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:59:38: error: 'Namespace' is only available in macOS 11.0 or newer
        static func reduce(value: inout Set<Namespace.ID>, nextValue: () -> Set<Namespace.ID>) {
                                            ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:59:14: note: add @available attribute to enclosing static method
        static func reduce(value: inout Set<Namespace.ID>, nextValue: () -> Set<Namespace.ID>) {
                    ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:56:8: note: add @available attribute to enclosing struct
struct DestinationIDsKey: PreferenceKey {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:59:74: error: 'Namespace' is only available in macOS 11.0 or newer
        static func reduce(value: inout Set<Namespace.ID>, nextValue: () -> Set<Namespace.ID>) {
                                                                                ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:59:14: note: add @available attribute to enclosing static method
        static func reduce(value: inout Set<Namespace.ID>, nextValue: () -> Set<Namespace.ID>) {
                    ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Destination.swift:56:8: note: add @available attribute to enclosing struct
struct DestinationIDsKey: PreferenceKey {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:5:33: error: cannot find type 'UINavigationController' in scope
        weak var navigationController: UINavigationController? {
                                       ^~~~~~~~~~~~~~~~~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:97:52: error: cannot find type 'UINavigationController' in scope
        func navigationController(_ navigationController: UINavigationController, didShow viewController: UIViewController, animated: Bool) {
                                                          ^~~~~~~~~~~~~~~~~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:97:100: error: cannot find type 'UIViewController' in scope
        func navigationController(_ navigationController: UINavigationController, didShow viewController: UIViewController, animated: Bool) {
                                                                                                          ^~~~~~~~~~~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:9:26: error: 'Namespace' is only available in macOS 11.0 or newer
        var destinationIds: Set<Namespace.ID> = [] {
                                ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:4:7: note: add @available attribute to enclosing class
class NavigationAuthority: NSObject, ObservableObject {
      ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:15:24: error: 'Namespace' is only available in macOS 11.0 or newer
        var presentationIds: [Namespace.ID] = [] {
                              ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:4:7: note: add @available attribute to enclosing class
class NavigationAuthority: NSObject, ObservableObject {
      ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:22:25: error: 'PassthroughSubject' is only available in macOS 10.15 or newer
        let pathPopPublisher = PassthroughSubject<Int, Never>()
                               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:4:7: note: add @available attribute to enclosing class
class NavigationAuthority: NSObject, ObservableObject {
      ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:23:26: error: 'PassthroughSubject' is only available in macOS 10.15 or newer
        let pathPushPublisher = PassthroughSubject<NavigationPathItem, Never>()
                                ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:4:7: note: add @available attribute to enclosing class
class NavigationAuthority: NSObject, ObservableObject {
      ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:24:33: error: 'PassthroughSubject' is only available in macOS 10.15 or newer
        let presentationPopPublisher = PassthroughSubject<Namespace.ID, Never>()
                                       ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:4:7: note: add @available attribute to enclosing class
class NavigationAuthority: NSObject, ObservableObject {
      ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:28:29: error: 'Namespace' is only available in macOS 11.0 or newer
        private var destinations: [Namespace.ID: Destination] = [:]
                                   ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:4:7: note: add @available attribute to enclosing class
class NavigationAuthority: NSObject, ObservableObject {
      ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:29:30: error: 'Namespace' is only available in macOS 11.0 or newer
        private var presentations: [Namespace.ID: Presentation] = [:]
                                    ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:4:7: note: add @available attribute to enclosing class
class NavigationAuthority: NSObject, ObservableObject {
      ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:34:18: error: 'Namespace' is only available in macOS 11.0 or newer
        func update(id: Namespace.ID, destination: Destination) {
                        ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:34:7: note: add @available attribute to enclosing instance method
        func update(id: Namespace.ID, destination: Destination) {
             ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:33:1: note: add @available attribute to enclosing extension
extension NavigationAuthority {
^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:45:18: error: 'Namespace' is only available in macOS 11.0 or newer
        func update(id: Namespace.ID, presentation: Presentation) {
                        ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:45:7: note: add @available attribute to enclosing instance method
        func update(id: Namespace.ID, presentation: Presentation) {
             ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:33:1: note: add @available attribute to enclosing extension
extension NavigationAuthority {
^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:96:32: error: cannot find type 'UINavigationControllerDelegate' in scope
extension NavigationAuthority: UINavigationControllerDelegate {
                               ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:114:57: error: 'AnyView' is only available in macOS 10.15 or newer
        func view(for item: NavigationPathItem, index: Int) -> AnyView {
                                                               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:114:7: note: add @available attribute to enclosing instance method
        func view(for item: NavigationPathItem, index: Int) -> AnyView {
             ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:113:9: note: add @available attribute to enclosing extension
private extension NavigationAuthority {
        ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:129:45: error: 'Namespace' is only available in macOS 11.0 or newer
        func cleanupDestinations(_ removedIds: Set<Namespace.ID>) {
                                                   ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:129:7: note: add @available attribute to enclosing instance method
        func cleanupDestinations(_ removedIds: Set<Namespace.ID>) {
             ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:113:9: note: add @available attribute to enclosing extension
private extension NavigationAuthority {
        ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:150:11: error: 'EnvironmentValues' is only available in macOS 10.15 or newer
extension EnvironmentValues {
          ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:150:1: note: add @available attribute to enclosing extension
extension EnvironmentValues {
^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:4:19: error: 'AnyView' is only available in macOS 10.15 or newer
        public let body: AnyView
                         ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:3:15: note: add @available attribute to enclosing generic struct
public struct NavigationLink<Label: View>: View {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:6:39: error: 'ViewBuilder' is only available in macOS 10.15 or newer
        public init<P: Hashable>(value: P?, @ViewBuilder label: () -> Label) {
                                             ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:6:9: note: add @available attribute to enclosing initializer
        public init<P: Hashable>(value: P?, @ViewBuilder label: () -> Label) {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:3:15: note: add @available attribute to enclosing generic struct
public struct NavigationLink<Label: View>: View {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:14:39: error: 'ViewBuilder' is only available in macOS 10.15 or newer
        public init<P: Hashable>(value: P?, @ViewBuilder label: () -> Label) where P: Codable {
                                             ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:14:9: note: add @available attribute to enclosing initializer
        public init<P: Hashable>(value: P?, @ViewBuilder label: () -> Label) where P: Codable {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:3:15: note: add @available attribute to enclosing generic struct
public struct NavigationLink<Label: View>: View {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:22:85: error: 'Text' is only available in macOS 10.15 or newer
        public init<P: Hashable>(_ titleKey: LocalizedStringKey, value: P?) where Label == Text {
                                                                                           ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:22:9: note: add @available attribute to enclosing initializer
        public init<P: Hashable>(_ titleKey: LocalizedStringKey, value: P?) where Label == Text {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:3:15: note: add @available attribute to enclosing generic struct
public struct NavigationLink<Label: View>: View {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:22:39: error: 'LocalizedStringKey' is only available in macOS 10.15 or newer
        public init<P: Hashable>(_ titleKey: LocalizedStringKey, value: P?) where Label == Text {
                                             ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:22:9: note: add @available attribute to enclosing initializer
        public init<P: Hashable>(_ titleKey: LocalizedStringKey, value: P?) where Label == Text {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:3:15: note: add @available attribute to enclosing generic struct
public struct NavigationLink<Label: View>: View {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:30:85: error: 'Text' is only available in macOS 10.15 or newer
        public init<P: Hashable>(_ titleKey: LocalizedStringKey, value: P?) where Label == Text, P: Codable {
                                                                                           ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:30:9: note: add @available attribute to enclosing initializer
        public init<P: Hashable>(_ titleKey: LocalizedStringKey, value: P?) where Label == Text, P: Codable {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:3:15: note: add @available attribute to enclosing generic struct
public struct NavigationLink<Label: View>: View {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:30:39: error: 'LocalizedStringKey' is only available in macOS 10.15 or newer
        public init<P: Hashable>(_ titleKey: LocalizedStringKey, value: P?) where Label == Text, P: Codable {
                                             ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:30:9: note: add @available attribute to enclosing initializer
        public init<P: Hashable>(_ titleKey: LocalizedStringKey, value: P?) where Label == Text, P: Codable {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:3:15: note: add @available attribute to enclosing generic struct
public struct NavigationLink<Label: View>: View {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:38:68: error: 'Text' is only available in macOS 10.15 or newer
        public init<P: Hashable, S>(_ title: S, value: P?) where Label == Text, S: StringProtocol {
                                                                          ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:38:9: note: add @available attribute to enclosing initializer
        public init<P: Hashable, S>(_ title: S, value: P?) where Label == Text, S: StringProtocol {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:3:15: note: add @available attribute to enclosing generic struct
public struct NavigationLink<Label: View>: View {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:46:68: error: 'Text' is only available in macOS 10.15 or newer
        public init<P: Hashable, S>(_ title: S, value: P?) where Label == Text, S: StringProtocol, P: Codable {
                                                                          ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:46:9: note: add @available attribute to enclosing initializer
        public init<P: Hashable, S>(_ title: S, value: P?) where Label == Text, S: StringProtocol, P: Codable {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:3:15: note: add @available attribute to enclosing generic struct
public struct NavigationLink<Label: View>: View {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:3:37: error: 'View' is only available in macOS 10.15 or newer
public struct NavigationLink<Label: View>: View {
                                    ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:3:15: note: add @available attribute to enclosing generic struct
public struct NavigationLink<Label: View>: View {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:59:4: error: 'Environment' is only available in macOS 10.15 or newer
                @Environment(\.navigationAuthority) private var authority
                 ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:56:9: note: add @available attribute to enclosing struct
        struct Backport: View {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:56:9: note: add @available attribute to enclosing struct
        struct Backport: View {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:61:18: error: 'View' is only available in macOS 10.15 or newer
                var body: some View {
                               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:61:7: note: add @available attribute to enclosing property
                var body: some View {
                    ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:56:9: note: add @available attribute to enclosing struct
        struct Backport: View {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationPath.swift:11:27: error: 'NavigationPath' is only available in macOS 13.0 or newer
        var swiftUIPath: SwiftUI.NavigationPath {
                                 ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationPath.swift:11:6: note: add @available attribute to enclosing property
        var swiftUIPath: SwiftUI.NavigationPath {
            ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationPath.swift:3:15: note: add @available attribute to enclosing struct
public struct NavigationPath {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationPathBox.swift:14:19: error: 'NavigationPath' is only available in macOS 13.0 or newer
extension SwiftUI.NavigationPath: NavigationPathBox {
                  ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationPathBox.swift:14:1: note: add @available attribute to enclosing extension
extension SwiftUI.NavigationPath: NavigationPathBox {
^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:4:19: error: 'AnyView' is only available in macOS 10.15 or newer
        public let body: AnyView
                         ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:3:15: note: add @available attribute to enclosing generic struct
public struct NavigationStack<Data, Root: View>: View {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:6:15: error: 'ViewBuilder' is only available in macOS 10.15 or newer
        public init(@ViewBuilder root: () -> Root) where Data == NavigationPath {
                     ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:6:9: note: add @available attribute to enclosing initializer
        public init(@ViewBuilder root: () -> Root) where Data == NavigationPath {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:3:15: note: add @available attribute to enclosing generic struct
public struct NavigationStack<Data, Root: View>: View {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:14:20: error: 'Binding' is only available in macOS 10.15 or newer
        public init(path: Binding<NavigationPath>, @ViewBuilder root: () -> Root) where Data == NavigationPath {
                          ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:14:9: note: add @available attribute to enclosing initializer
        public init(path: Binding<NavigationPath>, @ViewBuilder root: () -> Root) where Data == NavigationPath {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:3:15: note: add @available attribute to enclosing generic struct
public struct NavigationStack<Data, Root: View>: View {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:14:46: error: 'ViewBuilder' is only available in macOS 10.15 or newer
        public init(path: Binding<NavigationPath>, @ViewBuilder root: () -> Root) where Data == NavigationPath {
                                                    ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:14:9: note: add @available attribute to enclosing initializer
        public init(path: Binding<NavigationPath>, @ViewBuilder root: () -> Root) where Data == NavigationPath {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:3:15: note: add @available attribute to enclosing generic struct
public struct NavigationStack<Data, Root: View>: View {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:22:20: error: 'Binding' is only available in macOS 10.15 or newer
        public init(path: Binding<Data>, @ViewBuilder root: () -> Root) where Data: MutableCollection, Data: RandomAccessCollection, Data: RangeReplaceableCollection, Data.Element: Hashable {
                          ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:22:9: note: add @available attribute to enclosing initializer
        public init(path: Binding<Data>, @ViewBuilder root: () -> Root) where Data: MutableCollection, Data: RandomAccessCollection, Data: RangeReplaceableCollection, Data.Element: Hashable {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:3:15: note: add @available attribute to enclosing generic struct
public struct NavigationStack<Data, Root: View>: View {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:22:36: error: 'ViewBuilder' is only available in macOS 10.15 or newer
        public init(path: Binding<Data>, @ViewBuilder root: () -> Root) where Data: MutableCollection, Data: RandomAccessCollection, Data: RangeReplaceableCollection, Data.Element: Hashable {
                                          ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:22:9: note: add @available attribute to enclosing initializer
        public init(path: Binding<Data>, @ViewBuilder root: () -> Root) where Data: MutableCollection, Data: RandomAccessCollection, Data: RangeReplaceableCollection, Data.Element: Hashable {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:3:15: note: add @available attribute to enclosing generic struct
public struct NavigationStack<Data, Root: View>: View {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:3:43: error: 'View' is only available in macOS 10.15 or newer
public struct NavigationStack<Data, Root: View>: View {
                                          ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:3:15: note: add @available attribute to enclosing generic struct
public struct NavigationStack<Data, Root: View>: View {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:39:4: error: 'State' is only available in macOS 10.15 or newer
                @State private var path = NavigationPathBackport(items: [])
                 ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:37:9: note: add @available attribute to enclosing struct
        struct ImplicitStateView: View {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:37:9: note: add @available attribute to enclosing struct
        struct ImplicitStateView: View {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:41:18: error: 'View' is only available in macOS 10.15 or newer
                var body: some View {
                               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:41:7: note: add @available attribute to enclosing property
                var body: some View {
                    ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:37:9: note: add @available attribute to enclosing struct
        struct ImplicitStateView: View {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:47:4: error: 'Binding' is only available in macOS 10.15 or newer
                @Binding var path: NavigationPathBackport
                 ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:46:9: note: add @available attribute to enclosing struct
        struct AuthorityView: View {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:46:9: note: add @available attribute to enclosing struct
        struct AuthorityView: View {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:50:4: error: 'StateObject' is only available in macOS 11.0 or newer
                @StateObject private var authority = NavigationAuthority()
                 ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:46:9: note: add @available attribute to enclosing struct
        struct AuthorityView: View {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:46:9: note: add @available attribute to enclosing struct
        struct AuthorityView: View {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:52:18: error: 'View' is only available in macOS 10.15 or newer
                var body: some View {
                               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:52:7: note: add @available attribute to enclosing property
                var body: some View {
                    ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:46:9: note: add @available attribute to enclosing struct
        struct AuthorityView: View {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationUpdate.swift:4:24: error: cannot find type 'UIViewController' in scope
        var viewControllers: [UIViewController] {
                              ^~~~~~~~~~~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationUpdate.swift:8:36: error: cannot find type 'UINavigationController' in scope
        private let navigationController: UINavigationController
                                          ^~~~~~~~~~~~~~~~~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationUpdate.swift:9:37: error: cannot find type 'UIViewController' in scope
        private var addedViewControllers: [UIViewController] = []
                                           ^~~~~~~~~~~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationUpdate.swift:12:29: error: cannot find type 'UINavigationController' in scope
        init(navigationController: UINavigationController) {
                                   ^~~~~~~~~~~~~~~~~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationUpdate.swift:17:29: error: 'AnyView' is only available in macOS 10.15 or newer
        mutating func view(_ view: AnyView, at index: Int) {
                                   ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationUpdate.swift:17:16: note: add @available attribute to enclosing instance method
        mutating func view(_ view: AnyView, at index: Int) {
                      ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationUpdate.swift:3:19: note: add @available attribute to enclosing struct
@MainActor struct NavigationUpdate {
                  ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:45: error: 'View' is only available in macOS 10.15 or newer
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                                                   ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                          ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:64: error: 'Binding' is only available in macOS 10.15 or newer
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                                                                      ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                          ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:80: error: 'ViewBuilder' is only available in macOS 10.15 or newer
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                                                                                      ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                          ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:122: error: 'View' is only available in macOS 10.15 or newer
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                                                                                                                                ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                          ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:3: error: 'ViewBuilder' is only available in macOS 10.15 or newer
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                          ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:12:58: error: 'View' is only available in macOS 10.15 or newer
        @ViewBuilder func navigationDestination<D: Hashable, C: View>(
                                                                ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:12:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<D: Hashable, C: View>(
                          ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:13:9: error: 'Binding' is only available in macOS 10.15 or newer
                item: Binding<D?>,
                      ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:12:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<D: Hashable, C: View>(
                          ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:14:4: error: 'ViewBuilder' is only available in macOS 10.15 or newer
                @ViewBuilder destination: @escaping (D) -> C
                 ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:12:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<D: Hashable, C: View>(
                          ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:15:12: error: 'View' is only available in macOS 10.15 or newer
        ) -> some View {
                  ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:12:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<D: Hashable, C: View>(
                          ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:12:3: error: 'ViewBuilder' is only available in macOS 10.15 or newer
        @ViewBuilder func navigationDestination<D: Hashable, C: View>(
         ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:12:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<D: Hashable, C: View>(
                          ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:25:3: error: 'Binding' is only available in macOS 10.15 or newer
        @Binding var isPresented: Bool
         ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:24:16: note: add @available attribute to enclosing generic struct
private struct PresentationModifier<C: View>: ViewModifier {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:28:3: error: 'Namespace' is only available in macOS 11.0 or newer
        @Namespace private var id
         ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:24:16: note: add @available attribute to enclosing generic struct
private struct PresentationModifier<C: View>: ViewModifier {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:29:3: error: 'Environment' is only available in macOS 10.15 or newer
        @Environment(\.navigationContextId) private var contextId
         ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:24:16: note: add @available attribute to enclosing generic struct
private struct PresentationModifier<C: View>: ViewModifier {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:30:3: error: 'Environment' is only available in macOS 10.15 or newer
        @Environment(\.navigationAuthority) private var authority
         ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:24:16: note: add @available attribute to enclosing generic struct
private struct PresentationModifier<C: View>: ViewModifier {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:32:38: error: 'View' is only available in macOS 10.15 or newer
        func body(content: Content) -> some View {
                                            ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:32:7: note: add @available attribute to enclosing instance method
        func body(content: Content) -> some View {
             ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:24:16: note: add @available attribute to enclosing generic struct
private struct PresentationModifier<C: View>: ViewModifier {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:24:40: error: 'View' is only available in macOS 10.15 or newer
private struct PresentationModifier<C: View>: ViewModifier {
                                       ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:24:16: note: add @available attribute to enclosing generic struct
private struct PresentationModifier<C: View>: ViewModifier {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:51:3: error: 'Binding' is only available in macOS 10.15 or newer
        @Binding var item: D?
         ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:50:16: note: add @available attribute to enclosing generic struct
private struct ItemPresentationModifier<D: Hashable, C: View>: ViewModifier {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:54:38: error: 'View' is only available in macOS 10.15 or newer
        func body(content: Content) -> some View {
                                            ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:54:7: note: add @available attribute to enclosing instance method
        func body(content: Content) -> some View {
             ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:50:16: note: add @available attribute to enclosing generic struct
private struct ItemPresentationModifier<D: Hashable, C: View>: ViewModifier {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:50:57: error: 'View' is only available in macOS 10.15 or newer
private struct ItemPresentationModifier<D: Hashable, C: View>: ViewModifier {
                                                        ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:50:16: note: add @available attribute to enclosing generic struct
private struct ItemPresentationModifier<D: Hashable, C: View>: ViewModifier {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:74:12: error: 'AnyView' is only available in macOS 10.15 or newer
        let view: AnyView
                  ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:71:8: note: add @available attribute to enclosing struct
struct Presentation {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:76:53: error: 'View' is only available in macOS 10.15 or newer
        init(contextId: Int, isPresented: Bool, view: some View) {
                                                           ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:76:2: note: add @available attribute to enclosing initializer
        init(contextId: Int, isPresented: Bool, view: some View) {
        ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:71:8: note: add @available attribute to enclosing struct
struct Presentation {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:76:53: error: 'View' is only available in macOS 10.15 or newer
        init(contextId: Int, isPresented: Bool, view: some View) {
                                                           ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:76:2: note: add @available attribute to enclosing initializer
        init(contextId: Int, isPresented: Bool, view: some View) {
        ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:71:8: note: add @available attribute to enclosing struct
struct Presentation {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:84:28: error: 'Namespace' is only available in macOS 11.0 or newer
        static var defaultValue: [Namespace.ID] = []
                                  ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:84:13: note: add @available attribute to enclosing static property
        static var defaultValue: [Namespace.ID] = []
                   ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:83:8: note: add @available attribute to enclosing struct
struct PresentationIDsKey: PreferenceKey {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:86:35: error: 'Namespace' is only available in macOS 11.0 or newer
        static func reduce(value: inout [Namespace.ID], nextValue: () -> [Namespace.ID]) {
                                         ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:86:14: note: add @available attribute to enclosing static method
        static func reduce(value: inout [Namespace.ID], nextValue: () -> [Namespace.ID]) {
                    ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:83:8: note: add @available attribute to enclosing struct
struct PresentationIDsKey: PreferenceKey {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:86:68: error: 'Namespace' is only available in macOS 11.0 or newer
        static func reduce(value: inout [Namespace.ID], nextValue: () -> [Namespace.ID]) {
                                                                          ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:86:14: note: add @available attribute to enclosing static method
        static func reduce(value: inout [Namespace.ID], nextValue: () -> [Namespace.ID]) {
                    ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:83:8: note: add @available attribute to enclosing struct
struct PresentationIDsKey: PreferenceKey {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:6:3: error: 'Environment' is only available in macOS 10.15 or newer
        @Environment(\.navigationAuthority) private var authority
         ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:3:8: note: add @available attribute to enclosing generic struct
struct UIKitNavigation<Root: View>: UIViewControllerRepresentable {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:8:49: error: cannot find type 'UINavigationController' in scope
        func makeUIViewController(context: Context) -> UINavigationController {
                                                       ^~~~~~~~~~~~~~~~~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:8:37: error: cannot find type 'Context' in scope
        func makeUIViewController(context: Context) -> UINavigationController {
                                           ^~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:17:54: error: cannot find type 'UINavigationController' in scope
        func updateUIViewController(_ navigationController: UINavigationController, context: Context) {
                                                            ^~~~~~~~~~~~~~~~~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:17:87: error: cannot find type 'Context' in scope
        func updateUIViewController(_ navigationController: UINavigationController, context: Context) {
                                                                                             ^~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:3:37: error: cannot find type 'UIViewControllerRepresentable' in scope
struct UIKitNavigation<Root: View>: UIViewControllerRepresentable {
                                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:3:30: error: 'View' is only available in macOS 10.15 or newer
struct UIKitNavigation<Root: View>: UIViewControllerRepresentable {
                             ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:3:8: note: add @available attribute to enclosing generic struct
struct UIKitNavigation<Root: View>: UIViewControllerRepresentable {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:31:37: error: cannot find type 'UIHostingController' in scope
        func prelayout(rootViewController: UIHostingController<Root>, navigationController: UINavigationController) {
                                           ^~~~~~~~~~~~~~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:31:86: error: cannot find type 'UINavigationController' in scope
        func prelayout(rootViewController: UIHostingController<Root>, navigationController: UINavigationController) {
                                                                                            ^~~~~~~~~~~~~~~~~~~~~~
SwiftCompile normal arm64 Compiling\ UIKitNavigation.swift /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift (in target 'NavigationStackBackport' from project 'navigation-stack-backport')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift (in target 'NavigationStackBackport' from project 'navigation-stack-backport')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ Presentation.swift /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift (in target 'NavigationStackBackport' from project 'navigation-stack-backport')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift (in target 'NavigationStackBackport' from project 'navigation-stack-backport')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ NavigationStack.swift /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift (in target 'NavigationStackBackport' from project 'navigation-stack-backport')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift (in target 'NavigationStackBackport' from project 'navigation-stack-backport')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ NavigationUpdate.swift /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationUpdate.swift (in target 'NavigationStackBackport' from project 'navigation-stack-backport')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationUpdate.swift (in target 'NavigationStackBackport' from project 'navigation-stack-backport')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ NavigationPathItem.swift /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationPathItem.swift (in target 'NavigationStackBackport' from project 'navigation-stack-backport')
Command SwiftCompile failed with a nonzero exit code
--- xcodebuild: WARNING: Using the first of multiple matching destinations:
{ platform:macOS, arch:arm64, id:3115cc5d501e485c7256648548ce364ecb5a8fe6, name:My Mac }
{ platform:macOS, arch:arm64, variant:Mac Catalyst, id:3115cc5d501e485c7256648548ce364ecb5a8fe6, name:My Mac }
{ platform:macOS, arch:arm64, variant:DriverKit, id:3115cc5d501e485c7256648548ce364ecb5a8fe6, name:My Mac }
{ platform:macOS, arch:arm64, variant:Designed for [iPad,iPhone], id:3115cc5d501e485c7256648548ce364ecb5a8fe6, name:My Mac }
** BUILD FAILED **
The following build commands failed:
	SwiftEmitModule normal arm64 Emitting\ module\ for\ NavigationStackBackport (in target 'NavigationStackBackport' from project 'navigation-stack-backport')
	EmitSwiftModule normal arm64 (in target 'NavigationStackBackport' from project 'navigation-stack-backport')
	SwiftCompile normal arm64 Compiling\ NavigationPathItem.swift /Users/admin/builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationPathItem.swift (in target 'NavigationStackBackport' from project 'navigation-stack-backport')
	Building workspace spi-builder-workspace with scheme navigation-stack-backport
(4 failures)
BUILD FAILURE 6.1 macosXcodebuild