Swift Package Index

Build Information

Failed to build CardStack with Swift 5.9 for macOS (SPM).

Build Command

Build command unavailable

Build Log

========================================
RunAll
========================================
Builder version: 4.27.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/nhoogendoorn/CardStack.git
Reference: master
Initialized empty Git repository in /Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.git/
From https://github.com/nhoogendoorn/CardStack
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at f10f19c Merge pull request #16 from nhoogendoorn/nhoogendoorn-patch-1
Cloned https://github.com/nhoogendoorn/CardStack.git
Revision (git rev-parse @):
f10f19ca51f5ae9d31e640f49c39b082f632d524
SUCCESS checkout https://github.com/nhoogendoorn/CardStack.git at master
========================================
ResolveProductDependencies
========================================
Resolving dependencies ...
{
  "identity": ".resolve-product-dependencies",
  "name": "resolve-dependencies",
  "url": "/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.resolve-product-dependencies",
  "version": "unspecified",
  "path": "/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.resolve-product-dependencies",
  "dependencies": [
    {
      "identity": "cardstack",
      "name": "CardStack",
      "url": "https://github.com/nhoogendoorn/CardStack.git",
      "version": "unspecified",
      "path": "/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/CardStack",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/nhoogendoorn/CardStack.git
[1/392] Fetching cardstack
Fetched https://github.com/nhoogendoorn/CardStack.git (0.39s)
Creating working copy for https://github.com/nhoogendoorn/CardStack.git
Working copy of https://github.com/nhoogendoorn/CardStack.git resolved at master
warning: '.resolve-product-dependencies': dependency 'cardstack' is not used by any target
Found 0 product dependencies
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             5.9
Building package at path:  $PWD/checkout
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.0.0.app xcrun swift build --arch arm64
Building for debugging...
[1/14] Compiling CardStack CardStackMainView.swift
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:12:6: error: 'EnvironmentObject' is only available in macOS 10.15 or newer
    @EnvironmentObject var navigation: CardNavigation<Data>
     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardStackMainView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:13:6: error: 'State' is only available in macOS 10.15 or newer
    @State var dragValue: CGPoint = .zero
     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardStackMainView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:20:20: error: 'View' is only available in macOS 10.15 or newer
    var body: some View {
                   ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:20:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardStackMainView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:48:56: error: 'DragGesture' is only available in macOS 10.15 or newer
    fileprivate func handleHorizontalDragging(_ value: DragGesture.Value) {
                                                       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:48:22: note: add @available attribute to enclosing instance method
    fileprivate func handleHorizontalDragging(_ value: DragGesture.Value) {
                     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardStackMainView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:52:49: error: 'DragGesture' is only available in macOS 10.15 or newer
    fileprivate func handleDraggingEnd(_ value: DragGesture.Value) {
                                                ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:52:22: note: add @available attribute to enclosing instance method
    fileprivate func handleDraggingEnd(_ value: DragGesture.Value) {
                     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardStackMainView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:59:52: error: 'DragGesture' is only available in macOS 10.15 or newer
    fileprivate func handleSwipeDirection(_ value: DragGesture.Value) {
                                                   ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:59:22: note: add @available attribute to enclosing instance method
    fileprivate func handleSwipeDirection(_ value: DragGesture.Value) {
                     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardStackMainView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:21:9: error: 'ZStack' is only available in macOS 10.15 or newer
        ZStack(alignment: .trailing) {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:21:9: note: add 'if #available' version check
        ZStack(alignment: .trailing) {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:20:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardStackMainView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:21:9: warning: conformance of 'ForEach<Data, ID, Content>' to 'View' is only available in macOS 10.15 or newer
        ZStack(alignment: .trailing) {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:21:9: note: add 'if #available' version check
        ZStack(alignment: .trailing) {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:20:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardStackMainView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:21:28: error: 'trailing' is only available in macOS 10.15 or newer
        ZStack(alignment: .trailing) {
                           ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:20:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardStackMainView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:24:13: warning: conformance of 'ForEach<Data, ID, Content>' to 'View' is only available in macOS 10.15 or newer
            ForEach(navigation.reversedList, id: \.id) { item in
            ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:20:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardStackMainView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:24:13: error: 'ForEach' is only available in macOS 10.15 or newer
            ForEach(navigation.reversedList, id: \.id) { item in
            ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:20:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardStackMainView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:24:13: error: 'init(_:id:content:)' is only available in macOS 10.15 or newer
            ForEach(navigation.reversedList, id: \.id) { item in
            ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:20:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardStackMainView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:21:38: warning: conformance of 'ForEach<Data, ID, Content>' to 'View' is only available in macOS 10.15 or newer
        ZStack(alignment: .trailing) {
                                     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:20:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardStackMainView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:29:11: error: 'frame(minWidth:idealWidth:maxWidth:minHeight:idealHeight:maxHeight:alignment:)' is only available in macOS 10.15 or newer
        }.frame(maxWidth: .infinity, maxHeight: .infinity)
          ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:20:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardStackMainView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:33:14: error: 'offset(x:y:)' is only available in macOS 10.15 or newer
            .offset(x: getOffsetForStackedView(), y: .zero)
             ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:20:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardStackMainView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:34:14: error: 'gesture(_:including:)' is only available in macOS 10.15 or newer
            .gesture(DragGesture()
             ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:34:14: note: add 'if #available' version check
            .gesture(DragGesture()
             ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:20:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardStackMainView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:34:22: error: 'DragGesture' is only available in macOS 10.15 or newer
            .gesture(DragGesture()
                     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:34:22: note: add 'if #available' version check
            .gesture(DragGesture()
                     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:20:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardStackMainView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:34:22: error: 'init(minimumDistance:coordinateSpace:)' is only available in macOS 14.0 or newer
            .gesture(DragGesture()
                     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:34:22: note: add 'if #available' version check
            .gesture(DragGesture()
                     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:20:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardStackMainView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:35:18: error: 'onChanged' is only available in macOS 10.15 or newer
                .onChanged({ (value: DragGesture.Value) in
                 ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:35:18: note: add 'if #available' version check
                .onChanged({ (value: DragGesture.Value) in
                 ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:20:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardStackMainView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:35:38: error: 'DragGesture' is only available in macOS 10.15 or newer
                .onChanged({ (value: DragGesture.Value) in
                                     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:35:38: note: add 'if #available' version check
                .onChanged({ (value: DragGesture.Value) in
                                     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:20:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardStackMainView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:38:18: error: 'onEnded' is only available in macOS 10.15 or newer
                .onEnded({ (value: DragGesture.Value) in
                 ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:38:18: note: add 'if #available' version check
                .onEnded({ (value: DragGesture.Value) in
                 ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:20:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardStackMainView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:38:36: error: 'DragGesture' is only available in macOS 10.15 or newer
                .onEnded({ (value: DragGesture.Value) in
                                   ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:38:36: note: add 'if #available' version check
                .onEnded({ (value: DragGesture.Value) in
                                   ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:20:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardStackMainView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:49:9: error: setter for 'dragValue' is only available in macOS 10.15 or newer
        self.dragValue = CGPoint(x: value.horizontalDistance(), y: .zero)
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:49:9: note: add 'if #available' version check
        self.dragValue = CGPoint(x: value.horizontalDistance(), y: .zero)
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:48:22: note: add @available attribute to enclosing instance method
    fileprivate func handleHorizontalDragging(_ value: DragGesture.Value) {
                     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardStackMainView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:56:9: error: setter for 'dragValue' is only available in macOS 10.15 or newer
        self.dragValue = .zero
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:56:9: note: add 'if #available' version check
        self.dragValue = .zero
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:52:22: note: add @available attribute to enclosing instance method
    fileprivate func handleDraggingEnd(_ value: DragGesture.Value) {
                     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardStackMainView<Content: CardView, Data: CardData>: View {
       ^
error: emit-module command failed with exit code 1 (use -v to see invocation)
[2/15] Emitting module CardStack
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:12:6: error: 'Published' is only available in macOS 10.15 or newer
    @Published var currentIndex: Int = .zero
     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:11:12: note: add @available attribute to enclosing generic class
open class CardNavigation<Data: CardData>: ObservableObject {
           ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:13:6: error: 'Published' is only available in macOS 10.15 or newer
    @Published var items: [Data] = []
     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:11:12: note: add @available attribute to enclosing generic class
open class CardNavigation<Data: CardData>: ObservableObject {
           ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:11:44: error: 'ObservableObject' is only available in macOS 10.15 or newer
open class CardNavigation<Data: CardData>: ObservableObject {
                                           ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:11:12: note: add @available attribute to enclosing generic class
open class CardNavigation<Data: CardData>: ObservableObject {
           ^
<unknown>:0: error: key path value type 'ReferenceWritableKeyPath<CardNavigation<Data>, Int>' cannot be converted to contextual type 'KeyPath<CardNavigation<Data>, Int>'
<unknown>:0: error: key path value type 'ReferenceWritableKeyPath<CardNavigation<Data>, [Data]>' cannot be converted to contextual type 'KeyPath<CardNavigation<Data>, [Data]>'
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Extensions/CGFloat.swift:12:39: error: cannot find 'UIScreen' in scope
    static let screenWidth: CGFloat = UIScreen.main.bounds.width
                                      ^~~~~~~~
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Extensions/DragGesture.swift:11:11: error: 'DragGesture' is only available in macOS 10.15 or newer
extension DragGesture.Value {
          ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Extensions/DragGesture.swift:11:1: note: add @available attribute to enclosing extension
extension DragGesture.Value {
^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Protocols/CardData.swift:11:27: error: 'Identifiable' is only available in macOS 10.15 or newer
public protocol CardData: Identifiable {
                          ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Protocols/CardData.swift:11:17: note: add @available attribute to enclosing protocol
public protocol CardData: Identifiable {
                ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Protocols/CardView.swift:11:27: error: 'View' is only available in macOS 10.15 or newer
public protocol CardView: View {
                          ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Protocols/CardView.swift:11:17: note: add @available attribute to enclosing protocol
public protocol CardView: View {
                ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:12:6: error: 'EnvironmentObject' is only available in macOS 10.15 or newer
    @EnvironmentObject var navigation: CardNavigation<Data>
     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:16:6: error: 'State' is only available in macOS 10.15 or newer
    @State var didAppear: Bool = false
     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:17:6: error: 'State' is only available in macOS 10.15 or newer
    @State var isActive: Bool = false
     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:18:6: error: 'State' is only available in macOS 10.15 or newer
    @State var originalItemSize: CGSize = .zero
     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:23:6: error: 'Binding' is only available in macOS 10.15 or newer
    @Binding var dragValue: CGPoint
     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:25:68: error: 'Binding' is only available in macOS 10.15 or newer
    init(info: Data, configuration: StackConfiguration, dragValue: Binding<CGPoint>) {
                                                                   ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:25:5: note: add @available attribute to enclosing initializer
    init(info: Data, configuration: StackConfiguration, dragValue: Binding<CGPoint>) {
    ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:31:20: error: 'View' is only available in macOS 10.15 or newer
    var body: some View {
                   ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:31:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:12:6: error: 'EnvironmentObject' is only available in macOS 10.15 or newer
    @EnvironmentObject var navigation: CardNavigation<Data>
     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardStackMainView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:13:6: error: 'State' is only available in macOS 10.15 or newer
    @State var dragValue: CGPoint = .zero
     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardStackMainView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:20:20: error: 'View' is only available in macOS 10.15 or newer
    var body: some View {
                   ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:20:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardStackMainView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:48:56: error: 'DragGesture' is only available in macOS 10.15 or newer
    fileprivate func handleHorizontalDragging(_ value: DragGesture.Value) {
                                                       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:48:22: note: add @available attribute to enclosing instance method
    fileprivate func handleHorizontalDragging(_ value: DragGesture.Value) {
                     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardStackMainView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:52:49: error: 'DragGesture' is only available in macOS 10.15 or newer
    fileprivate func handleDraggingEnd(_ value: DragGesture.Value) {
                                                ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:52:22: note: add @available attribute to enclosing instance method
    fileprivate func handleDraggingEnd(_ value: DragGesture.Value) {
                     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardStackMainView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:59:52: error: 'DragGesture' is only available in macOS 10.15 or newer
    fileprivate func handleSwipeDirection(_ value: DragGesture.Value) {
                                                   ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:59:22: note: add @available attribute to enclosing instance method
    fileprivate func handleSwipeDirection(_ value: DragGesture.Value) {
                     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardStackMainView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackView.swift:20:27: error: 'View' is only available in macOS 10.15 or newer
    public var body: some View {
                          ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackView.swift:20:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackView.swift:11:15: note: add @available attribute to enclosing generic struct
public struct CardStackView<Content: CardView, Data: CardData>: View {
              ^
[3/15] Compiling CardStack CardView.swift
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Protocols/CardView.swift:11:27: error: 'View' is only available in macOS 10.15 or newer
public protocol CardView: View {
                          ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Protocols/CardView.swift:11:17: note: add @available attribute to enclosing protocol
public protocol CardView: View {
                ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:12:6: error: 'EnvironmentObject' is only available in macOS 10.15 or newer
    @EnvironmentObject var navigation: CardNavigation<Data>
     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:16:6: error: 'State' is only available in macOS 10.15 or newer
    @State var didAppear: Bool = false
     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:17:6: error: 'State' is only available in macOS 10.15 or newer
    @State var isActive: Bool = false
     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:18:6: error: 'State' is only available in macOS 10.15 or newer
    @State var originalItemSize: CGSize = .zero
     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:23:6: error: 'Binding' is only available in macOS 10.15 or newer
    @Binding var dragValue: CGPoint
     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:25:68: error: 'Binding' is only available in macOS 10.15 or newer
    init(info: Data, configuration: StackConfiguration, dragValue: Binding<CGPoint>) {
                                                                   ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:25:5: note: add @available attribute to enclosing initializer
    init(info: Data, configuration: StackConfiguration, dragValue: Binding<CGPoint>) {
    ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:31:20: error: 'View' is only available in macOS 10.15 or newer
    var body: some View {
                   ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:31:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:32:9: error: 'ZStack' is only available in macOS 10.15 or newer
        ZStack {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:32:9: note: add 'if #available' version check
        ZStack {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:31:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:34:18: error: 'background(_:alignment:)' is only available in macOS 10.15 or newer
                .background(GeometryReader { geo in
                 ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:31:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:34:29: error: 'GeometryReader' is only available in macOS 10.15 or newer
                .background(GeometryReader { geo in
                            ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:31:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:35:21: error: 'Color' is only available in macOS 10.15 or newer
                    Color.clear
                    ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:31:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:35:27: error: 'clear' is only available in macOS 10.15 or newer
                    Color.clear
                          ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:31:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:36:26: error: 'onAppear(perform:)' is only available in macOS 10.15 or newer
                        .onAppear {
                         ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:31:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:37:29: error: setter for 'originalItemSize' is only available in macOS 10.15 or newer
                            self.originalItemSize = geo.size
                            ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:31:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:39:19: error: 'frame(minWidth:idealWidth:maxWidth:minHeight:idealHeight:maxHeight:alignment:)' is only available in macOS 10.15 or newer
                }.frame(maxWidth: .infinity, maxHeight: .infinity))
                  ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:31:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:42:18: error: 'scaleEffect(_:anchor:)' is only available in macOS 10.15 or newer
                .scaleEffect(getScaleSize())
                 ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:31:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:43:18: error: 'animation' is only available in macOS 10.15 or newer
                .animation(.easeInOut(duration: didAppear ? 0.3 : .zero))
                 ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:31:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:43:29: error: 'easeInOut(duration:)' is only available in macOS 10.15 or newer
                .animation(.easeInOut(duration: didAppear ? 0.3 : .zero))
                            ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:31:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:47:18: error: 'offset' is only available in macOS 10.15 or newer
                .offset(getCardBaseOffset())
                 ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:31:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:48:18: error: 'offset' is only available in macOS 10.15 or newer
                .offset(getCardDraggingOffset())
                 ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:31:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:49:18: error: 'onAppear(perform:)' is only available in macOS 10.15 or newer
                .onAppear {
                 ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:31:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:50:21: error: setter for 'didAppear' is only available in macOS 10.15 or newer
                    self.didAppear = true
                    ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:31:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:52:14: error: 'onTapGesture(count:perform:)' is only available in macOS 10.15 or newer
            .onTapGesture {
             ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:31:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:53:17: error: cannot pass as inout because setter for 'isActive' is only available in macOS 10.15 or newer
                self.isActive.toggle()
                ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:31:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:56:10: error: 'frame(width:height:alignment:)' is only available in macOS 10.15 or newer
        .frame(width: itemSize.width, height: itemSize.height)
         ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:56:10: note: add 'if #available' version check
        .frame(width: itemSize.width, height: itemSize.height)
         ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:31:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
[4/15] Compiling CardStack CardContentView.swift
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Protocols/CardView.swift:11:27: error: 'View' is only available in macOS 10.15 or newer
public protocol CardView: View {
                          ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Protocols/CardView.swift:11:17: note: add @available attribute to enclosing protocol
public protocol CardView: View {
                ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:12:6: error: 'EnvironmentObject' is only available in macOS 10.15 or newer
    @EnvironmentObject var navigation: CardNavigation<Data>
     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:16:6: error: 'State' is only available in macOS 10.15 or newer
    @State var didAppear: Bool = false
     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:17:6: error: 'State' is only available in macOS 10.15 or newer
    @State var isActive: Bool = false
     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:18:6: error: 'State' is only available in macOS 10.15 or newer
    @State var originalItemSize: CGSize = .zero
     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:23:6: error: 'Binding' is only available in macOS 10.15 or newer
    @Binding var dragValue: CGPoint
     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:25:68: error: 'Binding' is only available in macOS 10.15 or newer
    init(info: Data, configuration: StackConfiguration, dragValue: Binding<CGPoint>) {
                                                                   ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:25:5: note: add @available attribute to enclosing initializer
    init(info: Data, configuration: StackConfiguration, dragValue: Binding<CGPoint>) {
    ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:31:20: error: 'View' is only available in macOS 10.15 or newer
    var body: some View {
                   ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:31:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:32:9: error: 'ZStack' is only available in macOS 10.15 or newer
        ZStack {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:32:9: note: add 'if #available' version check
        ZStack {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:31:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:34:18: error: 'background(_:alignment:)' is only available in macOS 10.15 or newer
                .background(GeometryReader { geo in
                 ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:31:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:34:29: error: 'GeometryReader' is only available in macOS 10.15 or newer
                .background(GeometryReader { geo in
                            ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:31:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:35:21: error: 'Color' is only available in macOS 10.15 or newer
                    Color.clear
                    ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:31:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:35:27: error: 'clear' is only available in macOS 10.15 or newer
                    Color.clear
                          ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:31:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:36:26: error: 'onAppear(perform:)' is only available in macOS 10.15 or newer
                        .onAppear {
                         ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:31:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:37:29: error: setter for 'originalItemSize' is only available in macOS 10.15 or newer
                            self.originalItemSize = geo.size
                            ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:31:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:39:19: error: 'frame(minWidth:idealWidth:maxWidth:minHeight:idealHeight:maxHeight:alignment:)' is only available in macOS 10.15 or newer
                }.frame(maxWidth: .infinity, maxHeight: .infinity))
                  ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:31:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:42:18: error: 'scaleEffect(_:anchor:)' is only available in macOS 10.15 or newer
                .scaleEffect(getScaleSize())
                 ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:31:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:43:18: error: 'animation' is only available in macOS 10.15 or newer
                .animation(.easeInOut(duration: didAppear ? 0.3 : .zero))
                 ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:31:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:43:29: error: 'easeInOut(duration:)' is only available in macOS 10.15 or newer
                .animation(.easeInOut(duration: didAppear ? 0.3 : .zero))
                            ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:31:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:47:18: error: 'offset' is only available in macOS 10.15 or newer
                .offset(getCardBaseOffset())
                 ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:31:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:48:18: error: 'offset' is only available in macOS 10.15 or newer
                .offset(getCardDraggingOffset())
                 ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:31:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:49:18: error: 'onAppear(perform:)' is only available in macOS 10.15 or newer
                .onAppear {
                 ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:31:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:50:21: error: setter for 'didAppear' is only available in macOS 10.15 or newer
                    self.didAppear = true
                    ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:31:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:52:14: error: 'onTapGesture(count:perform:)' is only available in macOS 10.15 or newer
            .onTapGesture {
             ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:31:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:53:17: error: cannot pass as inout because setter for 'isActive' is only available in macOS 10.15 or newer
                self.isActive.toggle()
                ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:31:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:56:10: error: 'frame(width:height:alignment:)' is only available in macOS 10.15 or newer
        .frame(width: itemSize.width, height: itemSize.height)
         ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:56:10: note: add 'if #available' version check
        .frame(width: itemSize.width, height: itemSize.height)
         ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:31:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
[5/15] Compiling CardStack NavigationHelper.swift
[6/15] Compiling CardStack DragInformation.swift
[7/15] Compiling CardStack CardNavigation.swift
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:12:6: error: 'Published' is only available in macOS 10.15 or newer
    @Published var currentIndex: Int = .zero
     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:11:12: note: add @available attribute to enclosing generic class
open class CardNavigation<Data: CardData>: ObservableObject {
           ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:13:6: error: 'Published' is only available in macOS 10.15 or newer
    @Published var items: [Data] = []
     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:11:12: note: add @available attribute to enclosing generic class
open class CardNavigation<Data: CardData>: ObservableObject {
           ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:11:44: error: 'ObservableObject' is only available in macOS 10.15 or newer
open class CardNavigation<Data: CardData>: ObservableObject {
                                           ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:11:12: note: add @available attribute to enclosing generic class
open class CardNavigation<Data: CardData>: ObservableObject {
           ^
<unknown>:0: error: key path value type 'ReferenceWritableKeyPath<CardNavigation<Data>, Int>' cannot be converted to contextual type 'KeyPath<CardNavigation<Data>, Int>'
<unknown>:0: error: key path value type 'ReferenceWritableKeyPath<CardNavigation<Data>, [Data]>' cannot be converted to contextual type 'KeyPath<CardNavigation<Data>, [Data]>'
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:24:9: error: setter for 'items' is only available in macOS 10.15 or newer
        self.items = items
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:24:9: note: add 'if #available' version check
        self.items = items
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:19:5: note: add @available attribute to enclosing initializer
    init(items: [Data], startIndex: Int) {
    ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:11:12: note: add @available attribute to enclosing generic class
open class CardNavigation<Data: CardData>: ObservableObject {
           ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:25:9: error: setter for 'currentIndex' is only available in macOS 10.15 or newer
        self.currentIndex = startIndex
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:25:9: note: add 'if #available' version check
        self.currentIndex = startIndex
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:19:5: note: add @available attribute to enclosing initializer
    init(items: [Data], startIndex: Int) {
    ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:11:12: note: add @available attribute to enclosing generic class
open class CardNavigation<Data: CardData>: ObservableObject {
           ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:35:13: error: cannot pass as inout because setter for 'currentIndex' is only available in macOS 10.15 or newer
            currentIndex += 1
            ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:35:13: note: add 'if #available' version check
            currentIndex += 1
            ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:28:10: note: add @available attribute to enclosing instance method
    func move(_ direction: HorizontalDirection) {
         ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:11:12: note: add @available attribute to enclosing generic class
open class CardNavigation<Data: CardData>: ObservableObject {
           ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:37:13: error: cannot pass as inout because setter for 'currentIndex' is only available in macOS 10.15 or newer
            currentIndex -= 1
            ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:37:13: note: add 'if #available' version check
            currentIndex -= 1
            ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:28:10: note: add @available attribute to enclosing instance method
    func move(_ direction: HorizontalDirection) {
         ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:11:12: note: add @available attribute to enclosing generic class
open class CardNavigation<Data: CardData>: ObservableObject {
           ^
[8/15] Compiling CardStack HorizontalDirection.swift
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:12:6: error: 'Published' is only available in macOS 10.15 or newer
    @Published var currentIndex: Int = .zero
     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:11:12: note: add @available attribute to enclosing generic class
open class CardNavigation<Data: CardData>: ObservableObject {
           ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:13:6: error: 'Published' is only available in macOS 10.15 or newer
    @Published var items: [Data] = []
     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:11:12: note: add @available attribute to enclosing generic class
open class CardNavigation<Data: CardData>: ObservableObject {
           ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:11:44: error: 'ObservableObject' is only available in macOS 10.15 or newer
open class CardNavigation<Data: CardData>: ObservableObject {
                                           ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:11:12: note: add @available attribute to enclosing generic class
open class CardNavigation<Data: CardData>: ObservableObject {
           ^
<unknown>:0: error: key path value type 'ReferenceWritableKeyPath<CardNavigation<Data>, Int>' cannot be converted to contextual type 'KeyPath<CardNavigation<Data>, Int>'
<unknown>:0: error: key path value type 'ReferenceWritableKeyPath<CardNavigation<Data>, [Data]>' cannot be converted to contextual type 'KeyPath<CardNavigation<Data>, [Data]>'
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:24:9: error: setter for 'items' is only available in macOS 10.15 or newer
        self.items = items
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:24:9: note: add 'if #available' version check
        self.items = items
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:19:5: note: add @available attribute to enclosing initializer
    init(items: [Data], startIndex: Int) {
    ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:11:12: note: add @available attribute to enclosing generic class
open class CardNavigation<Data: CardData>: ObservableObject {
           ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:25:9: error: setter for 'currentIndex' is only available in macOS 10.15 or newer
        self.currentIndex = startIndex
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:25:9: note: add 'if #available' version check
        self.currentIndex = startIndex
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:19:5: note: add @available attribute to enclosing initializer
    init(items: [Data], startIndex: Int) {
    ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:11:12: note: add @available attribute to enclosing generic class
open class CardNavigation<Data: CardData>: ObservableObject {
           ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:35:13: error: cannot pass as inout because setter for 'currentIndex' is only available in macOS 10.15 or newer
            currentIndex += 1
            ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:35:13: note: add 'if #available' version check
            currentIndex += 1
            ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:28:10: note: add @available attribute to enclosing instance method
    func move(_ direction: HorizontalDirection) {
         ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:11:12: note: add @available attribute to enclosing generic class
open class CardNavigation<Data: CardData>: ObservableObject {
           ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:37:13: error: cannot pass as inout because setter for 'currentIndex' is only available in macOS 10.15 or newer
            currentIndex -= 1
            ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:37:13: note: add 'if #available' version check
            currentIndex -= 1
            ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:28:10: note: add @available attribute to enclosing instance method
    func move(_ direction: HorizontalDirection) {
         ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:11:12: note: add @available attribute to enclosing generic class
open class CardNavigation<Data: CardData>: ObservableObject {
           ^
[9/15] Compiling CardStack StackConfiguration.swift
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Protocols/CardData.swift:11:27: error: 'Identifiable' is only available in macOS 10.15 or newer
public protocol CardData: Identifiable {
                          ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Protocols/CardData.swift:11:17: note: add @available attribute to enclosing protocol
public protocol CardData: Identifiable {
                ^
[10/15] Compiling CardStack CardData.swift
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Protocols/CardData.swift:11:27: error: 'Identifiable' is only available in macOS 10.15 or newer
public protocol CardData: Identifiable {
                          ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Protocols/CardData.swift:11:17: note: add @available attribute to enclosing protocol
public protocol CardData: Identifiable {
                ^
[11/15] Compiling CardStack StackStyle.swift
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Extensions/CGFloat.swift:12:39: error: cannot find 'UIScreen' in scope
    static let screenWidth: CGFloat = UIScreen.main.bounds.width
                                      ^~~~~~~~
[12/15] Compiling CardStack CGFloat.swift
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Extensions/CGFloat.swift:12:39: error: cannot find 'UIScreen' in scope
    static let screenWidth: CGFloat = UIScreen.main.bounds.width
                                      ^~~~~~~~
[13/15] Compiling CardStack DragGesture.swift
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Extensions/DragGesture.swift:11:11: error: 'DragGesture' is only available in macOS 10.15 or newer
extension DragGesture.Value {
          ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Extensions/DragGesture.swift:11:1: note: add @available attribute to enclosing extension
extension DragGesture.Value {
^
[14/15] Compiling CardStack CardViewHelper.swift
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Extensions/DragGesture.swift:11:11: error: 'DragGesture' is only available in macOS 10.15 or newer
extension DragGesture.Value {
          ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Extensions/DragGesture.swift:11:1: note: add @available attribute to enclosing extension
extension DragGesture.Value {
^
[15/15] Compiling CardStack CardStackView.swift
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackView.swift:20:27: error: 'View' is only available in macOS 10.15 or newer
    public var body: some View {
                          ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackView.swift:20:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackView.swift:11:15: note: add @available attribute to enclosing generic struct
public struct CardStackView<Content: CardView, Data: CardData>: View {
              ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackView.swift:22:14: error: 'animation' is only available in macOS 10.15 or newer
            .animation(.default)
             ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackView.swift:20:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackView.swift:11:15: note: add @available attribute to enclosing generic struct
public struct CardStackView<Content: CardView, Data: CardData>: View {
              ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackView.swift:22:25: error: 'default' is only available in macOS 10.15 or newer
            .animation(.default)
                        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackView.swift:20:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackView.swift:11:15: note: add @available attribute to enclosing generic struct
public struct CardStackView<Content: CardView, Data: CardData>: View {
              ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackView.swift:23:14: error: 'frame(minWidth:idealWidth:maxWidth:minHeight:idealHeight:maxHeight:alignment:)' is only available in macOS 10.15 or newer
            .frame(maxWidth: .infinity, maxHeight: .infinity)
             ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackView.swift:20:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackView.swift:11:15: note: add @available attribute to enclosing generic struct
public struct CardStackView<Content: CardView, Data: CardData>: View {
              ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackView.swift:24:14: error: 'environmentObject' is only available in macOS 10.15 or newer
            .environmentObject(CardNavigation(items: items,
             ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackView.swift:24:14: note: add 'if #available' version check
            .environmentObject(CardNavigation(items: items,
             ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackView.swift:20:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackView.swift:11:15: note: add @available attribute to enclosing generic struct
public struct CardStackView<Content: CardView, Data: CardData>: View {
              ^
error: fatalError
[0/1] Planning build
Building for debugging...
[1/12] Compiling CardStack CardView.swift
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Protocols/CardView.swift:11:27: error: 'View' is only available in macOS 10.15 or newer
public protocol CardView: View {
                          ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Protocols/CardView.swift:11:17: note: add @available attribute to enclosing protocol
public protocol CardView: View {
                ^
[2/12] Compiling CardStack StackConfiguration.swift
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Protocols/CardData.swift:11:27: error: 'Identifiable' is only available in macOS 10.15 or newer
public protocol CardData: Identifiable {
                          ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Protocols/CardData.swift:11:17: note: add @available attribute to enclosing protocol
public protocol CardData: Identifiable {
                ^
[3/12] Compiling CardStack CardData.swift
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Protocols/CardData.swift:11:27: error: 'Identifiable' is only available in macOS 10.15 or newer
public protocol CardData: Identifiable {
                          ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Protocols/CardData.swift:11:17: note: add @available attribute to enclosing protocol
public protocol CardData: Identifiable {
                ^
[4/12] Compiling CardStack CardContentView.swift
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:12:6: error: 'EnvironmentObject' is only available in macOS 10.15 or newer
    @EnvironmentObject var navigation: CardNavigation<Data>
     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:16:6: error: 'State' is only available in macOS 10.15 or newer
    @State var didAppear: Bool = false
     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:17:6: error: 'State' is only available in macOS 10.15 or newer
    @State var isActive: Bool = false
     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:18:6: error: 'State' is only available in macOS 10.15 or newer
    @State var originalItemSize: CGSize = .zero
     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:23:6: error: 'Binding' is only available in macOS 10.15 or newer
    @Binding var dragValue: CGPoint
     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:25:68: error: 'Binding' is only available in macOS 10.15 or newer
    init(info: Data, configuration: StackConfiguration, dragValue: Binding<CGPoint>) {
                                                                   ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:25:5: note: add @available attribute to enclosing initializer
    init(info: Data, configuration: StackConfiguration, dragValue: Binding<CGPoint>) {
    ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:31:20: error: 'View' is only available in macOS 10.15 or newer
    var body: some View {
                   ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:31:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:32:9: error: 'ZStack' is only available in macOS 10.15 or newer
        ZStack {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:32:9: note: add 'if #available' version check
        ZStack {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:31:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:34:18: error: 'background(_:alignment:)' is only available in macOS 10.15 or newer
                .background(GeometryReader { geo in
                 ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:31:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:34:29: error: 'GeometryReader' is only available in macOS 10.15 or newer
                .background(GeometryReader { geo in
                            ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:31:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:35:21: error: 'Color' is only available in macOS 10.15 or newer
                    Color.clear
                    ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:31:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:35:27: error: 'clear' is only available in macOS 10.15 or newer
                    Color.clear
                          ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:31:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:36:26: error: 'onAppear(perform:)' is only available in macOS 10.15 or newer
                        .onAppear {
                         ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:31:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:37:29: error: setter for 'originalItemSize' is only available in macOS 10.15 or newer
                            self.originalItemSize = geo.size
                            ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:31:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:39:19: error: 'frame(minWidth:idealWidth:maxWidth:minHeight:idealHeight:maxHeight:alignment:)' is only available in macOS 10.15 or newer
                }.frame(maxWidth: .infinity, maxHeight: .infinity))
                  ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:31:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:42:18: error: 'scaleEffect(_:anchor:)' is only available in macOS 10.15 or newer
                .scaleEffect(getScaleSize())
                 ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:31:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:43:18: error: 'animation' is only available in macOS 10.15 or newer
                .animation(.easeInOut(duration: didAppear ? 0.3 : .zero))
                 ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:31:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:43:29: error: 'easeInOut(duration:)' is only available in macOS 10.15 or newer
                .animation(.easeInOut(duration: didAppear ? 0.3 : .zero))
                            ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:31:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:47:18: error: 'offset' is only available in macOS 10.15 or newer
                .offset(getCardBaseOffset())
                 ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:31:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:48:18: error: 'offset' is only available in macOS 10.15 or newer
                .offset(getCardDraggingOffset())
                 ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:31:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:49:18: error: 'onAppear(perform:)' is only available in macOS 10.15 or newer
                .onAppear {
                 ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:31:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:50:21: error: setter for 'didAppear' is only available in macOS 10.15 or newer
                    self.didAppear = true
                    ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:31:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:52:14: error: 'onTapGesture(count:perform:)' is only available in macOS 10.15 or newer
            .onTapGesture {
             ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:31:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:53:17: error: cannot pass as inout because setter for 'isActive' is only available in macOS 10.15 or newer
                self.isActive.toggle()
                ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:31:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:56:10: error: 'frame(width:height:alignment:)' is only available in macOS 10.15 or newer
        .frame(width: itemSize.width, height: itemSize.height)
         ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:56:10: note: add 'if #available' version check
        .frame(width: itemSize.width, height: itemSize.height)
         ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:31:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
[5/12] Compiling CardStack CardStackMainView.swift
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:12:6: error: 'EnvironmentObject' is only available in macOS 10.15 or newer
    @EnvironmentObject var navigation: CardNavigation<Data>
     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardStackMainView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:13:6: error: 'State' is only available in macOS 10.15 or newer
    @State var dragValue: CGPoint = .zero
     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardStackMainView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:20:20: error: 'View' is only available in macOS 10.15 or newer
    var body: some View {
                   ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:20:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardStackMainView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:48:56: error: 'DragGesture' is only available in macOS 10.15 or newer
    fileprivate func handleHorizontalDragging(_ value: DragGesture.Value) {
                                                       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:48:22: note: add @available attribute to enclosing instance method
    fileprivate func handleHorizontalDragging(_ value: DragGesture.Value) {
                     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardStackMainView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:52:49: error: 'DragGesture' is only available in macOS 10.15 or newer
    fileprivate func handleDraggingEnd(_ value: DragGesture.Value) {
                                                ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:52:22: note: add @available attribute to enclosing instance method
    fileprivate func handleDraggingEnd(_ value: DragGesture.Value) {
                     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardStackMainView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:59:52: error: 'DragGesture' is only available in macOS 10.15 or newer
    fileprivate func handleSwipeDirection(_ value: DragGesture.Value) {
                                                   ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:59:22: note: add @available attribute to enclosing instance method
    fileprivate func handleSwipeDirection(_ value: DragGesture.Value) {
                     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardStackMainView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:21:9: error: 'ZStack' is only available in macOS 10.15 or newer
        ZStack(alignment: .trailing) {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:21:9: note: add 'if #available' version check
        ZStack(alignment: .trailing) {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:20:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardStackMainView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:21:9: warning: conformance of 'ForEach<Data, ID, Content>' to 'View' is only available in macOS 10.15 or newer
        ZStack(alignment: .trailing) {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:21:9: note: add 'if #available' version check
        ZStack(alignment: .trailing) {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:20:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardStackMainView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:21:28: error: 'trailing' is only available in macOS 10.15 or newer
        ZStack(alignment: .trailing) {
                           ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:20:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardStackMainView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:24:13: warning: conformance of 'ForEach<Data, ID, Content>' to 'View' is only available in macOS 10.15 or newer
            ForEach(navigation.reversedList, id: \.id) { item in
            ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:20:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardStackMainView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:24:13: error: 'ForEach' is only available in macOS 10.15 or newer
            ForEach(navigation.reversedList, id: \.id) { item in
            ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:20:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardStackMainView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:24:13: error: 'init(_:id:content:)' is only available in macOS 10.15 or newer
            ForEach(navigation.reversedList, id: \.id) { item in
            ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:20:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardStackMainView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:21:38: warning: conformance of 'ForEach<Data, ID, Content>' to 'View' is only available in macOS 10.15 or newer
        ZStack(alignment: .trailing) {
                                     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:20:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardStackMainView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:29:11: error: 'frame(minWidth:idealWidth:maxWidth:minHeight:idealHeight:maxHeight:alignment:)' is only available in macOS 10.15 or newer
        }.frame(maxWidth: .infinity, maxHeight: .infinity)
          ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:20:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardStackMainView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:33:14: error: 'offset(x:y:)' is only available in macOS 10.15 or newer
            .offset(x: getOffsetForStackedView(), y: .zero)
             ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:20:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardStackMainView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:34:14: error: 'gesture(_:including:)' is only available in macOS 10.15 or newer
            .gesture(DragGesture()
             ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:34:14: note: add 'if #available' version check
            .gesture(DragGesture()
             ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:20:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardStackMainView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:34:22: error: 'DragGesture' is only available in macOS 10.15 or newer
            .gesture(DragGesture()
                     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:34:22: note: add 'if #available' version check
            .gesture(DragGesture()
                     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:20:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardStackMainView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:34:22: error: 'init(minimumDistance:coordinateSpace:)' is only available in macOS 14.0 or newer
            .gesture(DragGesture()
                     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:34:22: note: add 'if #available' version check
            .gesture(DragGesture()
                     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:20:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardStackMainView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:35:18: error: 'onChanged' is only available in macOS 10.15 or newer
                .onChanged({ (value: DragGesture.Value) in
                 ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:35:18: note: add 'if #available' version check
                .onChanged({ (value: DragGesture.Value) in
                 ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:20:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardStackMainView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:35:38: error: 'DragGesture' is only available in macOS 10.15 or newer
                .onChanged({ (value: DragGesture.Value) in
                                     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:35:38: note: add 'if #available' version check
                .onChanged({ (value: DragGesture.Value) in
                                     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:20:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardStackMainView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:38:18: error: 'onEnded' is only available in macOS 10.15 or newer
                .onEnded({ (value: DragGesture.Value) in
                 ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:38:18: note: add 'if #available' version check
                .onEnded({ (value: DragGesture.Value) in
                 ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:20:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardStackMainView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:38:36: error: 'DragGesture' is only available in macOS 10.15 or newer
                .onEnded({ (value: DragGesture.Value) in
                                   ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:38:36: note: add 'if #available' version check
                .onEnded({ (value: DragGesture.Value) in
                                   ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:20:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardStackMainView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:49:9: error: setter for 'dragValue' is only available in macOS 10.15 or newer
        self.dragValue = CGPoint(x: value.horizontalDistance(), y: .zero)
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:49:9: note: add 'if #available' version check
        self.dragValue = CGPoint(x: value.horizontalDistance(), y: .zero)
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:48:22: note: add @available attribute to enclosing instance method
    fileprivate func handleHorizontalDragging(_ value: DragGesture.Value) {
                     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardStackMainView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:56:9: error: setter for 'dragValue' is only available in macOS 10.15 or newer
        self.dragValue = .zero
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:56:9: note: add 'if #available' version check
        self.dragValue = .zero
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:52:22: note: add @available attribute to enclosing instance method
    fileprivate func handleDraggingEnd(_ value: DragGesture.Value) {
                     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardStackMainView<Content: CardView, Data: CardData>: View {
       ^
[6/13] Compiling CardStack StackStyle.swift
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Extensions/CGFloat.swift:12:39: error: cannot find 'UIScreen' in scope
    static let screenWidth: CGFloat = UIScreen.main.bounds.width
                                      ^~~~~~~~
[7/13] Compiling CardStack CGFloat.swift
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Extensions/CGFloat.swift:12:39: error: cannot find 'UIScreen' in scope
    static let screenWidth: CGFloat = UIScreen.main.bounds.width
                                      ^~~~~~~~
error: emit-module command failed with exit code 1 (use -v to see invocation)
[8/13] Emitting module CardStack
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:12:6: error: 'Published' is only available in macOS 10.15 or newer
    @Published var currentIndex: Int = .zero
     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:11:12: note: add @available attribute to enclosing generic class
open class CardNavigation<Data: CardData>: ObservableObject {
           ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:13:6: error: 'Published' is only available in macOS 10.15 or newer
    @Published var items: [Data] = []
     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:11:12: note: add @available attribute to enclosing generic class
open class CardNavigation<Data: CardData>: ObservableObject {
           ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:11:44: error: 'ObservableObject' is only available in macOS 10.15 or newer
open class CardNavigation<Data: CardData>: ObservableObject {
                                           ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:11:12: note: add @available attribute to enclosing generic class
open class CardNavigation<Data: CardData>: ObservableObject {
           ^
<unknown>:0: error: key path value type 'ReferenceWritableKeyPath<CardNavigation<Data>, Int>' cannot be converted to contextual type 'KeyPath<CardNavigation<Data>, Int>'
<unknown>:0: error: key path value type 'ReferenceWritableKeyPath<CardNavigation<Data>, [Data]>' cannot be converted to contextual type 'KeyPath<CardNavigation<Data>, [Data]>'
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Extensions/CGFloat.swift:12:39: error: cannot find 'UIScreen' in scope
    static let screenWidth: CGFloat = UIScreen.main.bounds.width
                                      ^~~~~~~~
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Extensions/DragGesture.swift:11:11: error: 'DragGesture' is only available in macOS 10.15 or newer
extension DragGesture.Value {
          ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Extensions/DragGesture.swift:11:1: note: add @available attribute to enclosing extension
extension DragGesture.Value {
^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Protocols/CardData.swift:11:27: error: 'Identifiable' is only available in macOS 10.15 or newer
public protocol CardData: Identifiable {
                          ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Protocols/CardData.swift:11:17: note: add @available attribute to enclosing protocol
public protocol CardData: Identifiable {
                ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Protocols/CardView.swift:11:27: error: 'View' is only available in macOS 10.15 or newer
public protocol CardView: View {
                          ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Protocols/CardView.swift:11:17: note: add @available attribute to enclosing protocol
public protocol CardView: View {
                ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:12:6: error: 'EnvironmentObject' is only available in macOS 10.15 or newer
    @EnvironmentObject var navigation: CardNavigation<Data>
     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:16:6: error: 'State' is only available in macOS 10.15 or newer
    @State var didAppear: Bool = false
     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:17:6: error: 'State' is only available in macOS 10.15 or newer
    @State var isActive: Bool = false
     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:18:6: error: 'State' is only available in macOS 10.15 or newer
    @State var originalItemSize: CGSize = .zero
     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:23:6: error: 'Binding' is only available in macOS 10.15 or newer
    @Binding var dragValue: CGPoint
     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:25:68: error: 'Binding' is only available in macOS 10.15 or newer
    init(info: Data, configuration: StackConfiguration, dragValue: Binding<CGPoint>) {
                                                                   ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:25:5: note: add @available attribute to enclosing initializer
    init(info: Data, configuration: StackConfiguration, dragValue: Binding<CGPoint>) {
    ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:31:20: error: 'View' is only available in macOS 10.15 or newer
    var body: some View {
                   ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:31:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardContentView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardContentView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:12:6: error: 'EnvironmentObject' is only available in macOS 10.15 or newer
    @EnvironmentObject var navigation: CardNavigation<Data>
     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardStackMainView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:13:6: error: 'State' is only available in macOS 10.15 or newer
    @State var dragValue: CGPoint = .zero
     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardStackMainView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:20:20: error: 'View' is only available in macOS 10.15 or newer
    var body: some View {
                   ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:20:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardStackMainView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:48:56: error: 'DragGesture' is only available in macOS 10.15 or newer
    fileprivate func handleHorizontalDragging(_ value: DragGesture.Value) {
                                                       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:48:22: note: add @available attribute to enclosing instance method
    fileprivate func handleHorizontalDragging(_ value: DragGesture.Value) {
                     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardStackMainView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:52:49: error: 'DragGesture' is only available in macOS 10.15 or newer
    fileprivate func handleDraggingEnd(_ value: DragGesture.Value) {
                                                ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:52:22: note: add @available attribute to enclosing instance method
    fileprivate func handleDraggingEnd(_ value: DragGesture.Value) {
                     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardStackMainView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:59:52: error: 'DragGesture' is only available in macOS 10.15 or newer
    fileprivate func handleSwipeDirection(_ value: DragGesture.Value) {
                                                   ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:59:22: note: add @available attribute to enclosing instance method
    fileprivate func handleSwipeDirection(_ value: DragGesture.Value) {
                     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackMainView.swift:11:8: note: add @available attribute to enclosing generic struct
struct CardStackMainView<Content: CardView, Data: CardData>: View {
       ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackView.swift:20:27: error: 'View' is only available in macOS 10.15 or newer
    public var body: some View {
                          ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackView.swift:20:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackView.swift:11:15: note: add @available attribute to enclosing generic struct
public struct CardStackView<Content: CardView, Data: CardData>: View {
              ^
[9/13] Compiling CardStack CardNavigation.swift
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:12:6: error: 'Published' is only available in macOS 10.15 or newer
    @Published var currentIndex: Int = .zero
     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:11:12: note: add @available attribute to enclosing generic class
open class CardNavigation<Data: CardData>: ObservableObject {
           ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:13:6: error: 'Published' is only available in macOS 10.15 or newer
    @Published var items: [Data] = []
     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:11:12: note: add @available attribute to enclosing generic class
open class CardNavigation<Data: CardData>: ObservableObject {
           ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:11:44: error: 'ObservableObject' is only available in macOS 10.15 or newer
open class CardNavigation<Data: CardData>: ObservableObject {
                                           ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:11:12: note: add @available attribute to enclosing generic class
open class CardNavigation<Data: CardData>: ObservableObject {
           ^
<unknown>:0: error: key path value type 'ReferenceWritableKeyPath<CardNavigation<Data>, Int>' cannot be converted to contextual type 'KeyPath<CardNavigation<Data>, Int>'
<unknown>:0: error: key path value type 'ReferenceWritableKeyPath<CardNavigation<Data>, [Data]>' cannot be converted to contextual type 'KeyPath<CardNavigation<Data>, [Data]>'
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:24:9: error: setter for 'items' is only available in macOS 10.15 or newer
        self.items = items
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:24:9: note: add 'if #available' version check
        self.items = items
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:19:5: note: add @available attribute to enclosing initializer
    init(items: [Data], startIndex: Int) {
    ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:11:12: note: add @available attribute to enclosing generic class
open class CardNavigation<Data: CardData>: ObservableObject {
           ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:25:9: error: setter for 'currentIndex' is only available in macOS 10.15 or newer
        self.currentIndex = startIndex
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:25:9: note: add 'if #available' version check
        self.currentIndex = startIndex
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:19:5: note: add @available attribute to enclosing initializer
    init(items: [Data], startIndex: Int) {
    ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:11:12: note: add @available attribute to enclosing generic class
open class CardNavigation<Data: CardData>: ObservableObject {
           ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:35:13: error: cannot pass as inout because setter for 'currentIndex' is only available in macOS 10.15 or newer
            currentIndex += 1
            ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:35:13: note: add 'if #available' version check
            currentIndex += 1
            ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:28:10: note: add @available attribute to enclosing instance method
    func move(_ direction: HorizontalDirection) {
         ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:11:12: note: add @available attribute to enclosing generic class
open class CardNavigation<Data: CardData>: ObservableObject {
           ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:37:13: error: cannot pass as inout because setter for 'currentIndex' is only available in macOS 10.15 or newer
            currentIndex -= 1
            ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:37:13: note: add 'if #available' version check
            currentIndex -= 1
            ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:28:10: note: add @available attribute to enclosing instance method
    func move(_ direction: HorizontalDirection) {
         ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:11:12: note: add @available attribute to enclosing generic class
open class CardNavigation<Data: CardData>: ObservableObject {
           ^
[10/13] Compiling CardStack HorizontalDirection.swift
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:12:6: error: 'Published' is only available in macOS 10.15 or newer
    @Published var currentIndex: Int = .zero
     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:11:12: note: add @available attribute to enclosing generic class
open class CardNavigation<Data: CardData>: ObservableObject {
           ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:13:6: error: 'Published' is only available in macOS 10.15 or newer
    @Published var items: [Data] = []
     ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:11:12: note: add @available attribute to enclosing generic class
open class CardNavigation<Data: CardData>: ObservableObject {
           ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:11:44: error: 'ObservableObject' is only available in macOS 10.15 or newer
open class CardNavigation<Data: CardData>: ObservableObject {
                                           ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:11:12: note: add @available attribute to enclosing generic class
open class CardNavigation<Data: CardData>: ObservableObject {
           ^
<unknown>:0: error: key path value type 'ReferenceWritableKeyPath<CardNavigation<Data>, Int>' cannot be converted to contextual type 'KeyPath<CardNavigation<Data>, Int>'
<unknown>:0: error: key path value type 'ReferenceWritableKeyPath<CardNavigation<Data>, [Data]>' cannot be converted to contextual type 'KeyPath<CardNavigation<Data>, [Data]>'
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:24:9: error: setter for 'items' is only available in macOS 10.15 or newer
        self.items = items
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:24:9: note: add 'if #available' version check
        self.items = items
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:19:5: note: add @available attribute to enclosing initializer
    init(items: [Data], startIndex: Int) {
    ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:11:12: note: add @available attribute to enclosing generic class
open class CardNavigation<Data: CardData>: ObservableObject {
           ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:25:9: error: setter for 'currentIndex' is only available in macOS 10.15 or newer
        self.currentIndex = startIndex
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:25:9: note: add 'if #available' version check
        self.currentIndex = startIndex
        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:19:5: note: add @available attribute to enclosing initializer
    init(items: [Data], startIndex: Int) {
    ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:11:12: note: add @available attribute to enclosing generic class
open class CardNavigation<Data: CardData>: ObservableObject {
           ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:35:13: error: cannot pass as inout because setter for 'currentIndex' is only available in macOS 10.15 or newer
            currentIndex += 1
            ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:35:13: note: add 'if #available' version check
            currentIndex += 1
            ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:28:10: note: add @available attribute to enclosing instance method
    func move(_ direction: HorizontalDirection) {
         ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:11:12: note: add @available attribute to enclosing generic class
open class CardNavigation<Data: CardData>: ObservableObject {
           ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:37:13: error: cannot pass as inout because setter for 'currentIndex' is only available in macOS 10.15 or newer
            currentIndex -= 1
            ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:37:13: note: add 'if #available' version check
            currentIndex -= 1
            ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:28:10: note: add @available attribute to enclosing instance method
    func move(_ direction: HorizontalDirection) {
         ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardNavigation/CardNavigation.swift:11:12: note: add @available attribute to enclosing generic class
open class CardNavigation<Data: CardData>: ObservableObject {
           ^
[11/13] Compiling CardStack DragGesture.swift
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Extensions/DragGesture.swift:11:11: error: 'DragGesture' is only available in macOS 10.15 or newer
extension DragGesture.Value {
          ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Extensions/DragGesture.swift:11:1: note: add @available attribute to enclosing extension
extension DragGesture.Value {
^
[12/13] Compiling CardStack CardViewHelper.swift
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Extensions/DragGesture.swift:11:11: error: 'DragGesture' is only available in macOS 10.15 or newer
extension DragGesture.Value {
          ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Extensions/DragGesture.swift:11:1: note: add @available attribute to enclosing extension
extension DragGesture.Value {
^
[13/13] Compiling CardStack CardStackView.swift
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackView.swift:20:27: error: 'View' is only available in macOS 10.15 or newer
    public var body: some View {
                          ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackView.swift:20:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackView.swift:11:15: note: add @available attribute to enclosing generic struct
public struct CardStackView<Content: CardView, Data: CardData>: View {
              ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackView.swift:22:14: error: 'animation' is only available in macOS 10.15 or newer
            .animation(.default)
             ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackView.swift:20:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackView.swift:11:15: note: add @available attribute to enclosing generic struct
public struct CardStackView<Content: CardView, Data: CardData>: View {
              ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackView.swift:22:25: error: 'default' is only available in macOS 10.15 or newer
            .animation(.default)
                        ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackView.swift:20:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackView.swift:11:15: note: add @available attribute to enclosing generic struct
public struct CardStackView<Content: CardView, Data: CardData>: View {
              ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackView.swift:23:14: error: 'frame(minWidth:idealWidth:maxWidth:minHeight:idealHeight:maxHeight:alignment:)' is only available in macOS 10.15 or newer
            .frame(maxWidth: .infinity, maxHeight: .infinity)
             ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackView.swift:20:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackView.swift:11:15: note: add @available attribute to enclosing generic struct
public struct CardStackView<Content: CardView, Data: CardData>: View {
              ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackView.swift:24:14: error: 'environmentObject' is only available in macOS 10.15 or newer
            .environmentObject(CardNavigation(items: items,
             ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackView.swift:24:14: note: add 'if #available' version check
            .environmentObject(CardNavigation(items: items,
             ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackView.swift:20:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
/Users/admin/builds/J1XnyXFH/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/Views/CardStackView.swift:11:15: note: add @available attribute to enclosing generic struct
public struct CardStackView<Content: CardView, Data: CardData>: View {
              ^
error: fatalError
BUILD FAILURE 5.9 macosSpm