CardStack – Build Information – Swift Package Index

Track the adoption of Swift 6 strict concurrency checks for data race safety. How many packages are Ready for Swift 6?

Build Information

Failed to build CardStack with Swift 5.10 for macOS (SPM).

Build Command

env DEVELOPER_DIR=/Applications/Xcode-15.3.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.34.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/notsobigcompany/CardStack.git
Reference: main
Initialized empty Git repository in /Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.git/
From https://github.com/notsobigcompany/CardStack
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at cc0d8cf Adds deprecation warning. Updates README.
Cloned https://github.com/notsobigcompany/CardStack.git
Revision (git rev-parse @):
cc0d8cf4f6caf4cfaf71593c84c9d21eaf9460f0
SUCCESS checkout https://github.com/notsobigcompany/CardStack.git at main
========================================
ResolveProductDependencies
========================================
Resolving dependencies ...
{
  "identity": ".resolve-product-dependencies",
  "name": "resolve-dependencies",
  "url": "/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.resolve-product-dependencies",
  "version": "unspecified",
  "path": "/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.resolve-product-dependencies",
  "dependencies": [
    {
      "identity": "cardstack",
      "name": "CardStack",
      "url": "https://github.com/notsobigcompany/CardStack.git",
      "version": "unspecified",
      "path": "/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/CardStack",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/notsobigcompany/CardStack.git
[1/46] Fetching cardstack
Fetched https://github.com/notsobigcompany/CardStack.git from cache (0.32s)
Creating working copy for https://github.com/notsobigcompany/CardStack.git
Working copy of https://github.com/notsobigcompany/CardStack.git resolved at main (cc0d8cf)
warning: '.resolve-product-dependencies': dependency 'cardstack' is not used by any target
Found 0 product dependencies
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             5.10
Building package at path:  $workDir
https://github.com/notsobigcompany/CardStack.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.3.0.app xcrun swift build --arch arm64
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-6044DDE57671499D.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[3/4] Emitting module CardStack
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:8:6: error: 'State' is only available in macOS 10.15 or newer
    @State private var currentIndex: Double = 0.0
     ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:9:6: error: 'State' is only available in macOS 10.15 or newer
    @State private var previousIndex: Double = 0.0
     ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:12:6: error: 'ViewBuilder' is only available in macOS 10.15 or newer
    @ViewBuilder private let content: (Data.Element) -> Content
     ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:13:6: error: 'Binding' is only available in macOS 10.15 or newer
    @Binding var finalCurrentIndex: Int
     ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:20:45: error: 'Binding' is only available in macOS 10.15 or newer
    public init(_ data: Data, currentIndex: Binding<Int> = .constant(0), @ViewBuilder content: @escaping (Data.Element) -> Content) {
                                            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:20:12: note: add @available attribute to enclosing initializer
    public init(_ data: Data, currentIndex: Binding<Int> = .constant(0), @ViewBuilder content: @escaping (Data.Element) -> Content) {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:20:75: error: 'ViewBuilder' is only available in macOS 10.15 or newer
    public init(_ data: Data, currentIndex: Binding<Int> = .constant(0), @ViewBuilder content: @escaping (Data.Element) -> Content) {
                                                                          ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:20:12: note: add @available attribute to enclosing initializer
    public init(_ data: Data, currentIndex: Binding<Int> = .constant(0), @ViewBuilder content: @escaping (Data.Element) -> Content) {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:26:27: error: 'View' is only available in macOS 10.15 or newer
    public var body: some View {
                          ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:26:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:39:35: error: 'Gesture' is only available in macOS 10.15 or newer
    private var dragGesture: some Gesture {
                                  ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:39:17: note: add @available attribute to enclosing property
    private var dragGesture: some Gesture {
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:7:96: error: 'Identifiable' is only available in macOS 10.15 or newer
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
                                                                                               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:7:119: error: 'View' is only available in macOS 10.15 or newer
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
                                                                                                                      ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:119:20: error: 'Color' is only available in macOS 10.15 or newer
        let color: Color
                   ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:117:12: note: add @available attribute to enclosing struct
    struct DemoItem: Identifiable {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:127:10: error: 'State' is only available in macOS 10.15 or newer
        @State private var currentIndex = 0
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:128:10: error: 'State' is only available in macOS 10.15 or newer
        @State private var tappedIndex: Int? = nil
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:24: error: 'View' is only available in macOS 10.15 or newer
        var body: some View {
                       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:168:31: error: 'View' is only available in macOS 10.15 or newer
    static var previews: some View {
                              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:168:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:115:8: note: add @available attribute to enclosing struct
struct CardStackView_Previews: PreviewProvider {
       ^
[4/4] Compiling CardStack CardStack.swift
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:8:6: error: 'State' is only available in macOS 10.15 or newer
    @State private var currentIndex: Double = 0.0
     ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:9:6: error: 'State' is only available in macOS 10.15 or newer
    @State private var previousIndex: Double = 0.0
     ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:12:6: error: 'ViewBuilder' is only available in macOS 10.15 or newer
    @ViewBuilder private let content: (Data.Element) -> Content
     ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:13:6: error: 'Binding' is only available in macOS 10.15 or newer
    @Binding var finalCurrentIndex: Int
     ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:20:45: error: 'Binding' is only available in macOS 10.15 or newer
    public init(_ data: Data, currentIndex: Binding<Int> = .constant(0), @ViewBuilder content: @escaping (Data.Element) -> Content) {
                                            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:20:12: note: add @available attribute to enclosing initializer
    public init(_ data: Data, currentIndex: Binding<Int> = .constant(0), @ViewBuilder content: @escaping (Data.Element) -> Content) {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:20:75: error: 'ViewBuilder' is only available in macOS 10.15 or newer
    public init(_ data: Data, currentIndex: Binding<Int> = .constant(0), @ViewBuilder content: @escaping (Data.Element) -> Content) {
                                                                          ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:20:12: note: add @available attribute to enclosing initializer
    public init(_ data: Data, currentIndex: Binding<Int> = .constant(0), @ViewBuilder content: @escaping (Data.Element) -> Content) {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:26:27: error: 'View' is only available in macOS 10.15 or newer
    public var body: some View {
                          ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:26:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:39:35: error: 'Gesture' is only available in macOS 10.15 or newer
    private var dragGesture: some Gesture {
                                  ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:39:17: note: add @available attribute to enclosing property
    private var dragGesture: some Gesture {
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:7:96: error: 'Identifiable' is only available in macOS 10.15 or newer
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
                                                                                               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:7:119: error: 'View' is only available in macOS 10.15 or newer
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
                                                                                                                      ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:119:20: error: 'Color' is only available in macOS 10.15 or newer
        let color: Color
                   ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:117:12: note: add @available attribute to enclosing struct
    struct DemoItem: Identifiable {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:127:10: error: 'State' is only available in macOS 10.15 or newer
        @State private var currentIndex = 0
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:128:10: error: 'State' is only available in macOS 10.15 or newer
        @State private var tappedIndex: Int? = nil
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:24: error: 'View' is only available in macOS 10.15 or newer
        var body: some View {
                       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:168:31: error: 'View' is only available in macOS 10.15 or newer
    static var previews: some View {
                              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:168:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:115:8: note: add @available attribute to enclosing struct
struct CardStackView_Previews: PreviewProvider {
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:27:9: error: 'ZStack' is only available in macOS 10.15 or newer
        ZStack {
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:27:9: note: add 'if #available' version check
        ZStack {
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:26:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:27:9: warning: conformance of 'ForEach<Data, ID, Content>' to 'View' is only available in macOS 10.15 or newer
        ZStack {
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:27:9: note: add 'if #available' version check
        ZStack {
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:26:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:28:13: warning: conformance of 'ForEach<Data, ID, Content>' to 'View' is only available in macOS 10.15 or newer
            ForEach(Array(data.enumerated()), id: \.element.id) { (index, element) in
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:28:13: note: add 'if #available' version check
            ForEach(Array(data.enumerated()), id: \.element.id) { (index, element) in
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:26:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:28:13: error: 'ForEach' is only available in macOS 10.15 or newer
            ForEach(Array(data.enumerated()), id: \.element.id) { (index, element) in
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:28:13: note: add 'if #available' version check
            ForEach(Array(data.enumerated()), id: \.element.id) { (index, element) in
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:26:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:28:13: error: 'init(_:id:content:)' is only available in macOS 10.15 or newer
            ForEach(Array(data.enumerated()), id: \.element.id) { (index, element) in
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:28:13: note: add 'if #available' version check
            ForEach(Array(data.enumerated()), id: \.element.id) { (index, element) in
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:26:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:30:22: error: 'zIndex' is only available in macOS 10.15 or newer
                    .zIndex(zIndex(for: index))
                     ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:30:22: note: add 'if #available' version check
                    .zIndex(zIndex(for: index))
                     ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:26:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:31:22: error: 'offset(x:y:)' is only available in macOS 10.15 or newer
                    .offset(x: xOffset(for: index), y: 0)
                     ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:31:22: note: add 'if #available' version check
                    .offset(x: xOffset(for: index), y: 0)
                     ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:26:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:32:22: error: 'scaleEffect(_:anchor:)' is only available in macOS 10.15 or newer
                    .scaleEffect(scale(for: index), anchor: .center)
                     ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:32:22: note: add 'if #available' version check
                    .scaleEffect(scale(for: index), anchor: .center)
                     ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:26:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:33:22: error: 'rotationEffect(_:anchor:)' is only available in macOS 10.15 or newer
                    .rotationEffect(.degrees(rotationDegrees(for: index)))
                     ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:33:22: note: add 'if #available' version check
                    .rotationEffect(.degrees(rotationDegrees(for: index)))
                     ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:26:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:27:16: warning: conformance of 'ForEach<Data, ID, Content>' to 'View' is only available in macOS 10.15 or newer
        ZStack {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:27:16: note: add 'if #available' version check
        ZStack {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:26:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:36:10: error: 'highPriorityGesture(_:including:)' is only available in macOS 10.15 or newer
        .highPriorityGesture(dragGesture)
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:36:10: note: add 'if #available' version check
        .highPriorityGesture(dragGesture)
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:26:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:40:9: error: 'DragGesture' is only available in macOS 10.15 or newer
        DragGesture()
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:40:9: note: add 'if #available' version check
        DragGesture()
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:39:17: note: add @available attribute to enclosing property
    private var dragGesture: some Gesture {
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:40:9: error: 'init(minimumDistance:coordinateSpace:)' is only available in macOS 14.0 or newer
        DragGesture()
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:40:9: note: add 'if #available' version check
        DragGesture()
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:39:17: note: add @available attribute to enclosing property
    private var dragGesture: some Gesture {
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:41:14: error: 'onChanged' is only available in macOS 10.15 or newer
            .onChanged { value in
             ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:41:14: note: add 'if #available' version check
            .onChanged { value in
             ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:39:17: note: add @available attribute to enclosing property
    private var dragGesture: some Gesture {
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:42:17: error: 'withAnimation' is only available in macOS 10.15 or newer
                withAnimation(.interactiveSpring()) {
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:42:17: note: add 'if #available' version check
                withAnimation(.interactiveSpring()) {
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:39:17: note: add @available attribute to enclosing property
    private var dragGesture: some Gesture {
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:42:32: error: 'interactiveSpring(duration:extraBounce:blendDuration:)' is only available in macOS 10.15 or newer
                withAnimation(.interactiveSpring()) {
                               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:42:32: note: add 'if #available' version check
                withAnimation(.interactiveSpring()) {
                               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:39:17: note: add @available attribute to enclosing property
    private var dragGesture: some Gesture {
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:44:21: error: setter for 'currentIndex' is only available in macOS 10.15 or newer
                    self.currentIndex = -x
                    ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:44:21: note: add 'if #available' version check
                    self.currentIndex = -x
                    ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:39:17: note: add @available attribute to enclosing property
    private var dragGesture: some Gesture {
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:47:14: error: 'onEnded' is only available in macOS 10.15 or newer
            .onEnded { value in
             ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:47:14: note: add 'if #available' version check
            .onEnded { value in
             ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:39:17: note: add @available attribute to enclosing property
    private var dragGesture: some Gesture {
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:49:17: error: setter for 'previousIndex' is only available in macOS 10.15 or newer
                self.previousIndex = self.currentIndex
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:49:17: note: add 'if #available' version check
                self.previousIndex = self.currentIndex
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:39:17: note: add @available attribute to enclosing property
    private var dragGesture: some Gesture {
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:54:9: error: 'withAnimation' is only available in macOS 10.15 or newer
        withAnimation(.interpolatingSpring(stiffness: 300, damping: 40)) {
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:54:9: note: add 'if #available' version check
        withAnimation(.interpolatingSpring(stiffness: 300, damping: 40)) {
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:53:18: note: add @available attribute to enclosing instance method
    private func snapToNearestAbsoluteIndex(_ predictedEndTranslation: CGSize) {
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:54:24: error: 'interpolatingSpring(mass:stiffness:damping:initialVelocity:)' is only available in macOS 10.15 or newer
        withAnimation(.interpolatingSpring(stiffness: 300, damping: 40)) {
                       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:54:24: note: add 'if #available' version check
        withAnimation(.interpolatingSpring(stiffness: 300, damping: 40)) {
                       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:53:18: note: add @available attribute to enclosing instance method
    private func snapToNearestAbsoluteIndex(_ predictedEndTranslation: CGSize) {
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:63:17: error: setter for 'currentIndex' is only available in macOS 10.15 or newer
                self.currentIndex = round(currentIndex)
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:63:17: note: add 'if #available' version check
                self.currentIndex = round(currentIndex)
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:53:18: note: add @available attribute to enclosing instance method
    private func snapToNearestAbsoluteIndex(_ predictedEndTranslation: CGSize) {
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:71:13: error: setter for 'currentIndex' is only available in macOS 10.15 or newer
            self.currentIndex = 0
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:71:13: note: add 'if #available' version check
            self.currentIndex = 0
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:68:18: note: add @available attribute to enclosing instance method
    private func goTo(_ index: Double) {
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:73:13: error: setter for 'currentIndex' is only available in macOS 10.15 or newer
            self.currentIndex = maxIndex
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:73:13: note: add 'if #available' version check
            self.currentIndex = maxIndex
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:68:18: note: add @available attribute to enclosing instance method
    private func goTo(_ index: Double) {
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:75:13: error: setter for 'currentIndex' is only available in macOS 10.15 or newer
            self.currentIndex = index
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:75:13: note: add 'if #available' version check
            self.currentIndex = index
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:68:18: note: add @available attribute to enclosing instance method
    private func goTo(_ index: Double) {
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:77:9: error: setter for 'finalCurrentIndex' is only available in macOS 10.15 or newer
        self.finalCurrentIndex = Int(self.currentIndex)
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:77:9: note: add 'if #available' version check
        self.finalCurrentIndex = Int(self.currentIndex)
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:68:18: note: add @available attribute to enclosing instance method
    private func goTo(_ index: Double) {
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:132:47: error: 'red' is only available in macOS 10.15 or newer
                DemoItem(name: "Red", color: .red),
                                              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:132:47: note: add 'if #available' version check
                DemoItem(name: "Red", color: .red),
                                              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:133:50: error: 'orange' is only available in macOS 10.15 or newer
                DemoItem(name: "Orange", color: .orange),
                                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:133:50: note: add 'if #available' version check
                DemoItem(name: "Orange", color: .orange),
                                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:134:50: error: 'yellow' is only available in macOS 10.15 or newer
                DemoItem(name: "Yellow", color: .yellow),
                                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:134:50: note: add 'if #available' version check
                DemoItem(name: "Yellow", color: .yellow),
                                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:135:49: error: 'green' is only available in macOS 10.15 or newer
                DemoItem(name: "Green", color: .green),
                                                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:135:49: note: add 'if #available' version check
                DemoItem(name: "Green", color: .green),
                                                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:136:48: error: 'blue' is only available in macOS 10.15 or newer
                DemoItem(name: "Blue", color: .blue),
                                               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:136:48: note: add 'if #available' version check
                DemoItem(name: "Blue", color: .blue),
                                               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:137:50: error: 'purple' is only available in macOS 10.15 or newer
                DemoItem(name: "Purple", color: .purple),
                                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:137:50: note: add 'if #available' version check
                DemoItem(name: "Purple", color: .purple),
                                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:140:13: error: 'VStack' is only available in macOS 10.15 or newer
            VStack {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:140:13: note: add 'if #available' version check
            VStack {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:140:20: warning: conformance of 'Color' to 'ShapeStyle' is only available in macOS 10.15 or newer
            VStack {
                   ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:140:20: note: add 'if #available' version check
            VStack {
                   ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:141:17: warning: 'CardStack' is deprecated: Use CardDeckPageViewStyle in the new BigUIPaging package https://github.com/notsobigcompany/BigUIPaging
                CardStack(colors, currentIndex: $currentIndex) { namedColor in
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:141:17: warning: conformance of 'Color' to 'ShapeStyle' is only available in macOS 10.15 or newer
                CardStack(colors, currentIndex: $currentIndex) { namedColor in
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:141:17: note: add 'if #available' version check
                CardStack(colors, currentIndex: $currentIndex) { namedColor in
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:141:64: warning: conformance of 'Color' to 'ShapeStyle' is only available in macOS 10.15 or newer
                CardStack(colors, currentIndex: $currentIndex) { namedColor in
                                                               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:141:64: note: add 'if #available' version check
                CardStack(colors, currentIndex: $currentIndex) { namedColor in
                                                               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:142:21: error: 'RoundedRectangle' is only available in macOS 10.15 or newer
                    RoundedRectangle(cornerRadius: 20, style: .continuous)
                    ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:142:21: note: add 'if #available' version check
                    RoundedRectangle(cornerRadius: 20, style: .continuous)
                    ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:143:26: error: 'fill(_:style:)' is only available in macOS 14.0 or newer
                        .fill(namedColor.color)
                         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:143:26: note: add 'if #available' version check
                        .fill(namedColor.color)
                         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:144:26: error: 'overlay(_:alignment:)' is only available in macOS 10.15 or newer
                        .overlay(
                         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:144:26: note: add 'if #available' version check
                        .overlay(
                         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:145:29: error: 'Text' is only available in macOS 10.15 or newer
                            Text(namedColor.name)
                            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:145:29: note: add 'if #available' version check
                            Text(namedColor.name)
                            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:146:34: error: 'font' is only available in macOS 10.15 or newer
                                .font(.largeTitle)
                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:146:34: note: add 'if #available' version check
                                .font(.largeTitle)
                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:146:40: error: 'largeTitle' is only available in macOS 10.15 or newer
                                .font(.largeTitle)
                                       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:146:40: note: add 'if #available' version check
                                .font(.largeTitle)
                                       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:147:34: error: 'fontWeight' is only available in macOS 10.15 or newer
                                .fontWeight(.bold)
                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:147:34: note: add 'if #available' version check
                                .fontWeight(.bold)
                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:148:34: error: 'foregroundColor' is only available in macOS 10.15 or newer
                                .foregroundColor(.white)
                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:148:34: note: add 'if #available' version check
                                .foregroundColor(.white)
                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:148:51: error: 'white' is only available in macOS 10.15 or newer
                                .foregroundColor(.white)
                                                  ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:148:51: note: add 'if #available' version check
                                .foregroundColor(.white)
                                                  ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:150:26: error: 'frame(width:height:alignment:)' is only available in macOS 10.15 or newer
                        .frame(height: 400)
                         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:150:26: note: add 'if #available' version check
                        .frame(height: 400)
                         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:151:26: error: 'onTapGesture(count:perform:)' is only available in macOS 10.15 or newer
                        .onTapGesture {
                         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:151:26: note: add 'if #available' version check
                        .onTapGesture {
                         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:152:29: error: setter for 'tappedIndex' is only available in macOS 10.15 or newer
                            tappedIndex = currentIndex
                            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:152:29: note: add 'if #available' version check
                            tappedIndex = currentIndex
                            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:154:26: error: 'padding' is only available in macOS 10.15 or newer
                        .padding(50)
                         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:154:26: note: add 'if #available' version check
                        .padding(50)
                         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:158:17: warning: conformance of 'Text' to 'View' is only available in macOS 10.15 or newer
                Text("Current card is \(currentIndex)")
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:158:17: note: add 'if #available' version check
                Text("Current card is \(currentIndex)")
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:158:17: error: 'Text' is only available in macOS 10.15 or newer
                Text("Current card is \(currentIndex)")
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:158:17: note: add 'if #available' version check
                Text("Current card is \(currentIndex)")
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:160:21: warning: conformance of 'Text' to 'View' is only available in macOS 10.15 or newer
                    Text("Card \(tappedIndex) was tapped")
                    ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:160:21: note: add 'if #available' version check
                    Text("Card \(tappedIndex) was tapped")
                    ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:160:21: error: 'Text' is only available in macOS 10.15 or newer
                    Text("Card \(tappedIndex) was tapped")
                    ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:160:21: note: add 'if #available' version check
                    Text("Card \(tappedIndex) was tapped")
                    ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:159:50: error: 'buildEither(first:)' is only available in macOS 10.15 or newer
                if let tappedIndex = tappedIndex {
                                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:159:50: note: add 'if #available' version check
                if let tappedIndex = tappedIndex {
                                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:159:50: warning: conformance of 'Text' to 'View' is only available in macOS 10.15 or newer
                if let tappedIndex = tappedIndex {
                                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:159:50: note: add 'if #available' version check
                if let tappedIndex = tappedIndex {
                                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:162:21: warning: conformance of 'Text' to 'View' is only available in macOS 10.15 or newer
                    Text("No card has been tapped")
                    ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:162:21: note: add 'if #available' version check
                    Text("No card has been tapped")
                    ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:162:21: error: 'Text' is only available in macOS 10.15 or newer
                    Text("No card has been tapped")
                    ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:162:21: note: add 'if #available' version check
                    Text("No card has been tapped")
                    ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:161:24: error: 'buildEither(second:)' is only available in macOS 10.15 or newer
                } else {
                       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:161:24: note: add 'if #available' version check
                } else {
                       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:161:24: warning: conformance of 'Text' to 'View' is only available in macOS 10.15 or newer
                } else {
                       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:161:24: note: add 'if #available' version check
                } else {
                       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:140:20: warning: conformance of 'Text' to 'View' is only available in macOS 10.15 or newer
            VStack {
                   ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:140:20: note: add 'if #available' version check
            VStack {
                   ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:140:20: warning: conformance of '_ConditionalContent<TrueContent, FalseContent>' to 'View' is only available in macOS 10.15 or newer
            VStack {
                   ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:140:20: note: add 'if #available' version check
            VStack {
                   ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
error: fatalError
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version-6044DDE57671499D.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[2/3] Emitting module CardStack
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:8:6: error: 'State' is only available in macOS 10.15 or newer
    @State private var currentIndex: Double = 0.0
     ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:9:6: error: 'State' is only available in macOS 10.15 or newer
    @State private var previousIndex: Double = 0.0
     ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:12:6: error: 'ViewBuilder' is only available in macOS 10.15 or newer
    @ViewBuilder private let content: (Data.Element) -> Content
     ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:13:6: error: 'Binding' is only available in macOS 10.15 or newer
    @Binding var finalCurrentIndex: Int
     ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:20:45: error: 'Binding' is only available in macOS 10.15 or newer
    public init(_ data: Data, currentIndex: Binding<Int> = .constant(0), @ViewBuilder content: @escaping (Data.Element) -> Content) {
                                            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:20:12: note: add @available attribute to enclosing initializer
    public init(_ data: Data, currentIndex: Binding<Int> = .constant(0), @ViewBuilder content: @escaping (Data.Element) -> Content) {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:20:75: error: 'ViewBuilder' is only available in macOS 10.15 or newer
    public init(_ data: Data, currentIndex: Binding<Int> = .constant(0), @ViewBuilder content: @escaping (Data.Element) -> Content) {
                                                                          ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:20:12: note: add @available attribute to enclosing initializer
    public init(_ data: Data, currentIndex: Binding<Int> = .constant(0), @ViewBuilder content: @escaping (Data.Element) -> Content) {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:26:27: error: 'View' is only available in macOS 10.15 or newer
    public var body: some View {
                          ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:26:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:39:35: error: 'Gesture' is only available in macOS 10.15 or newer
    private var dragGesture: some Gesture {
                                  ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:39:17: note: add @available attribute to enclosing property
    private var dragGesture: some Gesture {
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:7:96: error: 'Identifiable' is only available in macOS 10.15 or newer
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
                                                                                               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:7:119: error: 'View' is only available in macOS 10.15 or newer
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
                                                                                                                      ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:119:20: error: 'Color' is only available in macOS 10.15 or newer
        let color: Color
                   ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:117:12: note: add @available attribute to enclosing struct
    struct DemoItem: Identifiable {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:127:10: error: 'State' is only available in macOS 10.15 or newer
        @State private var currentIndex = 0
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:128:10: error: 'State' is only available in macOS 10.15 or newer
        @State private var tappedIndex: Int? = nil
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:24: error: 'View' is only available in macOS 10.15 or newer
        var body: some View {
                       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:168:31: error: 'View' is only available in macOS 10.15 or newer
    static var previews: some View {
                              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:168:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:115:8: note: add @available attribute to enclosing struct
struct CardStackView_Previews: PreviewProvider {
       ^
[3/3] Compiling CardStack CardStack.swift
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:8:6: error: 'State' is only available in macOS 10.15 or newer
    @State private var currentIndex: Double = 0.0
     ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:9:6: error: 'State' is only available in macOS 10.15 or newer
    @State private var previousIndex: Double = 0.0
     ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:12:6: error: 'ViewBuilder' is only available in macOS 10.15 or newer
    @ViewBuilder private let content: (Data.Element) -> Content
     ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:13:6: error: 'Binding' is only available in macOS 10.15 or newer
    @Binding var finalCurrentIndex: Int
     ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:20:45: error: 'Binding' is only available in macOS 10.15 or newer
    public init(_ data: Data, currentIndex: Binding<Int> = .constant(0), @ViewBuilder content: @escaping (Data.Element) -> Content) {
                                            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:20:12: note: add @available attribute to enclosing initializer
    public init(_ data: Data, currentIndex: Binding<Int> = .constant(0), @ViewBuilder content: @escaping (Data.Element) -> Content) {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:20:75: error: 'ViewBuilder' is only available in macOS 10.15 or newer
    public init(_ data: Data, currentIndex: Binding<Int> = .constant(0), @ViewBuilder content: @escaping (Data.Element) -> Content) {
                                                                          ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:20:12: note: add @available attribute to enclosing initializer
    public init(_ data: Data, currentIndex: Binding<Int> = .constant(0), @ViewBuilder content: @escaping (Data.Element) -> Content) {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:26:27: error: 'View' is only available in macOS 10.15 or newer
    public var body: some View {
                          ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:26:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:39:35: error: 'Gesture' is only available in macOS 10.15 or newer
    private var dragGesture: some Gesture {
                                  ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:39:17: note: add @available attribute to enclosing property
    private var dragGesture: some Gesture {
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:7:96: error: 'Identifiable' is only available in macOS 10.15 or newer
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
                                                                                               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:7:119: error: 'View' is only available in macOS 10.15 or newer
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
                                                                                                                      ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:119:20: error: 'Color' is only available in macOS 10.15 or newer
        let color: Color
                   ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:117:12: note: add @available attribute to enclosing struct
    struct DemoItem: Identifiable {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:127:10: error: 'State' is only available in macOS 10.15 or newer
        @State private var currentIndex = 0
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:128:10: error: 'State' is only available in macOS 10.15 or newer
        @State private var tappedIndex: Int? = nil
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:24: error: 'View' is only available in macOS 10.15 or newer
        var body: some View {
                       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:168:31: error: 'View' is only available in macOS 10.15 or newer
    static var previews: some View {
                              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:168:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:115:8: note: add @available attribute to enclosing struct
struct CardStackView_Previews: PreviewProvider {
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:27:9: error: 'ZStack' is only available in macOS 10.15 or newer
        ZStack {
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:27:9: note: add 'if #available' version check
        ZStack {
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:26:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:27:9: warning: conformance of 'ForEach<Data, ID, Content>' to 'View' is only available in macOS 10.15 or newer
        ZStack {
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:27:9: note: add 'if #available' version check
        ZStack {
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:26:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:28:13: warning: conformance of 'ForEach<Data, ID, Content>' to 'View' is only available in macOS 10.15 or newer
            ForEach(Array(data.enumerated()), id: \.element.id) { (index, element) in
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:28:13: note: add 'if #available' version check
            ForEach(Array(data.enumerated()), id: \.element.id) { (index, element) in
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:26:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:28:13: error: 'ForEach' is only available in macOS 10.15 or newer
            ForEach(Array(data.enumerated()), id: \.element.id) { (index, element) in
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:28:13: note: add 'if #available' version check
            ForEach(Array(data.enumerated()), id: \.element.id) { (index, element) in
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:26:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:28:13: error: 'init(_:id:content:)' is only available in macOS 10.15 or newer
            ForEach(Array(data.enumerated()), id: \.element.id) { (index, element) in
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:28:13: note: add 'if #available' version check
            ForEach(Array(data.enumerated()), id: \.element.id) { (index, element) in
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:26:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:30:22: error: 'zIndex' is only available in macOS 10.15 or newer
                    .zIndex(zIndex(for: index))
                     ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:30:22: note: add 'if #available' version check
                    .zIndex(zIndex(for: index))
                     ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:26:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:31:22: error: 'offset(x:y:)' is only available in macOS 10.15 or newer
                    .offset(x: xOffset(for: index), y: 0)
                     ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:31:22: note: add 'if #available' version check
                    .offset(x: xOffset(for: index), y: 0)
                     ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:26:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:32:22: error: 'scaleEffect(_:anchor:)' is only available in macOS 10.15 or newer
                    .scaleEffect(scale(for: index), anchor: .center)
                     ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:32:22: note: add 'if #available' version check
                    .scaleEffect(scale(for: index), anchor: .center)
                     ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:26:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:33:22: error: 'rotationEffect(_:anchor:)' is only available in macOS 10.15 or newer
                    .rotationEffect(.degrees(rotationDegrees(for: index)))
                     ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:33:22: note: add 'if #available' version check
                    .rotationEffect(.degrees(rotationDegrees(for: index)))
                     ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:26:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:27:16: warning: conformance of 'ForEach<Data, ID, Content>' to 'View' is only available in macOS 10.15 or newer
        ZStack {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:27:16: note: add 'if #available' version check
        ZStack {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:26:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:36:10: error: 'highPriorityGesture(_:including:)' is only available in macOS 10.15 or newer
        .highPriorityGesture(dragGesture)
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:36:10: note: add 'if #available' version check
        .highPriorityGesture(dragGesture)
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:26:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:40:9: error: 'DragGesture' is only available in macOS 10.15 or newer
        DragGesture()
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:40:9: note: add 'if #available' version check
        DragGesture()
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:39:17: note: add @available attribute to enclosing property
    private var dragGesture: some Gesture {
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:40:9: error: 'init(minimumDistance:coordinateSpace:)' is only available in macOS 14.0 or newer
        DragGesture()
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:40:9: note: add 'if #available' version check
        DragGesture()
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:39:17: note: add @available attribute to enclosing property
    private var dragGesture: some Gesture {
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:41:14: error: 'onChanged' is only available in macOS 10.15 or newer
            .onChanged { value in
             ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:41:14: note: add 'if #available' version check
            .onChanged { value in
             ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:39:17: note: add @available attribute to enclosing property
    private var dragGesture: some Gesture {
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:42:17: error: 'withAnimation' is only available in macOS 10.15 or newer
                withAnimation(.interactiveSpring()) {
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:42:17: note: add 'if #available' version check
                withAnimation(.interactiveSpring()) {
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:39:17: note: add @available attribute to enclosing property
    private var dragGesture: some Gesture {
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:42:32: error: 'interactiveSpring(duration:extraBounce:blendDuration:)' is only available in macOS 10.15 or newer
                withAnimation(.interactiveSpring()) {
                               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:42:32: note: add 'if #available' version check
                withAnimation(.interactiveSpring()) {
                               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:39:17: note: add @available attribute to enclosing property
    private var dragGesture: some Gesture {
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:44:21: error: setter for 'currentIndex' is only available in macOS 10.15 or newer
                    self.currentIndex = -x
                    ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:44:21: note: add 'if #available' version check
                    self.currentIndex = -x
                    ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:39:17: note: add @available attribute to enclosing property
    private var dragGesture: some Gesture {
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:47:14: error: 'onEnded' is only available in macOS 10.15 or newer
            .onEnded { value in
             ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:47:14: note: add 'if #available' version check
            .onEnded { value in
             ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:39:17: note: add @available attribute to enclosing property
    private var dragGesture: some Gesture {
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:49:17: error: setter for 'previousIndex' is only available in macOS 10.15 or newer
                self.previousIndex = self.currentIndex
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:49:17: note: add 'if #available' version check
                self.previousIndex = self.currentIndex
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:39:17: note: add @available attribute to enclosing property
    private var dragGesture: some Gesture {
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:54:9: error: 'withAnimation' is only available in macOS 10.15 or newer
        withAnimation(.interpolatingSpring(stiffness: 300, damping: 40)) {
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:54:9: note: add 'if #available' version check
        withAnimation(.interpolatingSpring(stiffness: 300, damping: 40)) {
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:53:18: note: add @available attribute to enclosing instance method
    private func snapToNearestAbsoluteIndex(_ predictedEndTranslation: CGSize) {
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:54:24: error: 'interpolatingSpring(mass:stiffness:damping:initialVelocity:)' is only available in macOS 10.15 or newer
        withAnimation(.interpolatingSpring(stiffness: 300, damping: 40)) {
                       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:54:24: note: add 'if #available' version check
        withAnimation(.interpolatingSpring(stiffness: 300, damping: 40)) {
                       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:53:18: note: add @available attribute to enclosing instance method
    private func snapToNearestAbsoluteIndex(_ predictedEndTranslation: CGSize) {
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:63:17: error: setter for 'currentIndex' is only available in macOS 10.15 or newer
                self.currentIndex = round(currentIndex)
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:63:17: note: add 'if #available' version check
                self.currentIndex = round(currentIndex)
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:53:18: note: add @available attribute to enclosing instance method
    private func snapToNearestAbsoluteIndex(_ predictedEndTranslation: CGSize) {
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:71:13: error: setter for 'currentIndex' is only available in macOS 10.15 or newer
            self.currentIndex = 0
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:71:13: note: add 'if #available' version check
            self.currentIndex = 0
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:68:18: note: add @available attribute to enclosing instance method
    private func goTo(_ index: Double) {
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:73:13: error: setter for 'currentIndex' is only available in macOS 10.15 or newer
            self.currentIndex = maxIndex
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:73:13: note: add 'if #available' version check
            self.currentIndex = maxIndex
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:68:18: note: add @available attribute to enclosing instance method
    private func goTo(_ index: Double) {
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:75:13: error: setter for 'currentIndex' is only available in macOS 10.15 or newer
            self.currentIndex = index
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:75:13: note: add 'if #available' version check
            self.currentIndex = index
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:68:18: note: add @available attribute to enclosing instance method
    private func goTo(_ index: Double) {
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:77:9: error: setter for 'finalCurrentIndex' is only available in macOS 10.15 or newer
        self.finalCurrentIndex = Int(self.currentIndex)
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:77:9: note: add 'if #available' version check
        self.finalCurrentIndex = Int(self.currentIndex)
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:68:18: note: add @available attribute to enclosing instance method
    private func goTo(_ index: Double) {
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:132:47: error: 'red' is only available in macOS 10.15 or newer
                DemoItem(name: "Red", color: .red),
                                              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:132:47: note: add 'if #available' version check
                DemoItem(name: "Red", color: .red),
                                              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:133:50: error: 'orange' is only available in macOS 10.15 or newer
                DemoItem(name: "Orange", color: .orange),
                                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:133:50: note: add 'if #available' version check
                DemoItem(name: "Orange", color: .orange),
                                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:134:50: error: 'yellow' is only available in macOS 10.15 or newer
                DemoItem(name: "Yellow", color: .yellow),
                                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:134:50: note: add 'if #available' version check
                DemoItem(name: "Yellow", color: .yellow),
                                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:135:49: error: 'green' is only available in macOS 10.15 or newer
                DemoItem(name: "Green", color: .green),
                                                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:135:49: note: add 'if #available' version check
                DemoItem(name: "Green", color: .green),
                                                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:136:48: error: 'blue' is only available in macOS 10.15 or newer
                DemoItem(name: "Blue", color: .blue),
                                               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:136:48: note: add 'if #available' version check
                DemoItem(name: "Blue", color: .blue),
                                               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:137:50: error: 'purple' is only available in macOS 10.15 or newer
                DemoItem(name: "Purple", color: .purple),
                                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:137:50: note: add 'if #available' version check
                DemoItem(name: "Purple", color: .purple),
                                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:140:13: error: 'VStack' is only available in macOS 10.15 or newer
            VStack {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:140:13: note: add 'if #available' version check
            VStack {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:140:20: warning: conformance of 'Color' to 'ShapeStyle' is only available in macOS 10.15 or newer
            VStack {
                   ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:140:20: note: add 'if #available' version check
            VStack {
                   ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:141:17: warning: 'CardStack' is deprecated: Use CardDeckPageViewStyle in the new BigUIPaging package https://github.com/notsobigcompany/BigUIPaging
                CardStack(colors, currentIndex: $currentIndex) { namedColor in
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:141:17: warning: conformance of 'Color' to 'ShapeStyle' is only available in macOS 10.15 or newer
                CardStack(colors, currentIndex: $currentIndex) { namedColor in
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:141:17: note: add 'if #available' version check
                CardStack(colors, currentIndex: $currentIndex) { namedColor in
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:141:64: warning: conformance of 'Color' to 'ShapeStyle' is only available in macOS 10.15 or newer
                CardStack(colors, currentIndex: $currentIndex) { namedColor in
                                                               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:141:64: note: add 'if #available' version check
                CardStack(colors, currentIndex: $currentIndex) { namedColor in
                                                               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:142:21: error: 'RoundedRectangle' is only available in macOS 10.15 or newer
                    RoundedRectangle(cornerRadius: 20, style: .continuous)
                    ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:142:21: note: add 'if #available' version check
                    RoundedRectangle(cornerRadius: 20, style: .continuous)
                    ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:143:26: error: 'fill(_:style:)' is only available in macOS 14.0 or newer
                        .fill(namedColor.color)
                         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:143:26: note: add 'if #available' version check
                        .fill(namedColor.color)
                         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:144:26: error: 'overlay(_:alignment:)' is only available in macOS 10.15 or newer
                        .overlay(
                         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:144:26: note: add 'if #available' version check
                        .overlay(
                         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:145:29: error: 'Text' is only available in macOS 10.15 or newer
                            Text(namedColor.name)
                            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:145:29: note: add 'if #available' version check
                            Text(namedColor.name)
                            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:146:34: error: 'font' is only available in macOS 10.15 or newer
                                .font(.largeTitle)
                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:146:34: note: add 'if #available' version check
                                .font(.largeTitle)
                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:146:40: error: 'largeTitle' is only available in macOS 10.15 or newer
                                .font(.largeTitle)
                                       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:146:40: note: add 'if #available' version check
                                .font(.largeTitle)
                                       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:147:34: error: 'fontWeight' is only available in macOS 10.15 or newer
                                .fontWeight(.bold)
                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:147:34: note: add 'if #available' version check
                                .fontWeight(.bold)
                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:148:34: error: 'foregroundColor' is only available in macOS 10.15 or newer
                                .foregroundColor(.white)
                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:148:34: note: add 'if #available' version check
                                .foregroundColor(.white)
                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:148:51: error: 'white' is only available in macOS 10.15 or newer
                                .foregroundColor(.white)
                                                  ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:148:51: note: add 'if #available' version check
                                .foregroundColor(.white)
                                                  ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:150:26: error: 'frame(width:height:alignment:)' is only available in macOS 10.15 or newer
                        .frame(height: 400)
                         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:150:26: note: add 'if #available' version check
                        .frame(height: 400)
                         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:151:26: error: 'onTapGesture(count:perform:)' is only available in macOS 10.15 or newer
                        .onTapGesture {
                         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:151:26: note: add 'if #available' version check
                        .onTapGesture {
                         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:152:29: error: setter for 'tappedIndex' is only available in macOS 10.15 or newer
                            tappedIndex = currentIndex
                            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:152:29: note: add 'if #available' version check
                            tappedIndex = currentIndex
                            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:154:26: error: 'padding' is only available in macOS 10.15 or newer
                        .padding(50)
                         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:154:26: note: add 'if #available' version check
                        .padding(50)
                         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:158:17: warning: conformance of 'Text' to 'View' is only available in macOS 10.15 or newer
                Text("Current card is \(currentIndex)")
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:158:17: note: add 'if #available' version check
                Text("Current card is \(currentIndex)")
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:158:17: error: 'Text' is only available in macOS 10.15 or newer
                Text("Current card is \(currentIndex)")
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:158:17: note: add 'if #available' version check
                Text("Current card is \(currentIndex)")
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:160:21: warning: conformance of 'Text' to 'View' is only available in macOS 10.15 or newer
                    Text("Card \(tappedIndex) was tapped")
                    ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:160:21: note: add 'if #available' version check
                    Text("Card \(tappedIndex) was tapped")
                    ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:160:21: error: 'Text' is only available in macOS 10.15 or newer
                    Text("Card \(tappedIndex) was tapped")
                    ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:160:21: note: add 'if #available' version check
                    Text("Card \(tappedIndex) was tapped")
                    ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:159:50: error: 'buildEither(first:)' is only available in macOS 10.15 or newer
                if let tappedIndex = tappedIndex {
                                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:159:50: note: add 'if #available' version check
                if let tappedIndex = tappedIndex {
                                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:159:50: warning: conformance of 'Text' to 'View' is only available in macOS 10.15 or newer
                if let tappedIndex = tappedIndex {
                                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:159:50: note: add 'if #available' version check
                if let tappedIndex = tappedIndex {
                                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:162:21: warning: conformance of 'Text' to 'View' is only available in macOS 10.15 or newer
                    Text("No card has been tapped")
                    ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:162:21: note: add 'if #available' version check
                    Text("No card has been tapped")
                    ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:162:21: error: 'Text' is only available in macOS 10.15 or newer
                    Text("No card has been tapped")
                    ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:162:21: note: add 'if #available' version check
                    Text("No card has been tapped")
                    ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:161:24: error: 'buildEither(second:)' is only available in macOS 10.15 or newer
                } else {
                       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:161:24: note: add 'if #available' version check
                } else {
                       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:161:24: warning: conformance of 'Text' to 'View' is only available in macOS 10.15 or newer
                } else {
                       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:161:24: note: add 'if #available' version check
                } else {
                       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:140:20: warning: conformance of 'Text' to 'View' is only available in macOS 10.15 or newer
            VStack {
                   ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:140:20: note: add 'if #available' version check
            VStack {
                   ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:140:20: warning: conformance of '_ConditionalContent<TrueContent, FalseContent>' to 'View' is only available in macOS 10.15 or newer
            VStack {
                   ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:140:20: note: add 'if #available' version check
            VStack {
                   ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
error: fatalError
BUILD FAILURE 5.10 macosSpm