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

Build Information

Successful build of swift-png, reference 4.4.7 (e677ba), with Swift 6.0 for macOS (SPM) on 16 Nov 2024 00:40:54 UTC.

Swift 6 data race errors: 30

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.1.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete

Build Log

129 |         public static
130 |         let iCCP:Self = .init(unchecked: 0x69_43_43_50)
    |             |- warning: static property 'iCCP' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'iCCP' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
131 |         /// The `sBIT` chunk type.
132 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:135:13: warning: static property 'sBIT' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
133 |         /// The numerical type code for this type identifier is `0x73424954`.
134 |         public static
135 |         let sBIT:Self = .init(unchecked: 0x73_42_49_54)
    |             |- warning: static property 'sBIT' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'sBIT' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
136 |         /// The `sRGB` chunk type.
137 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:161:13: warning: static property 'pHYs' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
159 |         /// The numerical type code for this type identifier is `0x70485973`.
160 |         public static
161 |         let pHYs:Self = .init(unchecked: 0x70_48_59_73)
    |             |- warning: static property 'pHYs' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'pHYs' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
162 |
163 |         /// The `sPLT` chunk type.
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:167:13: warning: static property 'sPLT' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
165 |         /// The numerical type code for this type identifier is `0x73504c54`.
166 |         public static
167 |         let sPLT:Self = .init(unchecked: 0x73_50_4c_54)
    |             |- warning: static property 'sPLT' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'sPLT' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
168 |         /// The `tIME` chunk type.
169 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:114:13: warning: static property 'IEND' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
112 |         /// The numerical type code for this type identifier is `0x49454e44`.
113 |         public static
114 |         let IEND:Self = .init(unchecked: 0x49_45_4e_44)
    |             |- warning: static property 'IEND' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'IEND' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
115 |
116 |         /// The `cHRM` chunk type.
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Decoding/PNG.DecodingError.swift:28:14: warning: associated value 'required(chunk:before:)' of 'Sendable'-conforming enum 'DecodingError' has non-sendable type 'PNG.Chunk'; this is an error in the Swift 6 language mode
26 |         /// -   Parameter after:
27 |         ///     The type of the preceeding chunk that precludes the encountered chunk.
28 |         case required(chunk:PNG.Chunk, before:PNG.Chunk)
   |              `- warning: associated value 'required(chunk:before:)' of 'Sendable'-conforming enum 'DecodingError' has non-sendable type 'PNG.Chunk'; this is an error in the Swift 6 language mode
29 |         case duplicate(chunk:PNG.Chunk)
30 |         case unexpected(chunk:PNG.Chunk, after:PNG.Chunk)
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:5:12: note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Decoding/PNG.DecodingError.swift:28:14: warning: associated value 'required(chunk:before:)' of 'Sendable'-conforming enum 'DecodingError' has non-sendable type 'PNG.Chunk'; this is an error in the Swift 6 language mode
26 |         /// -   Parameter after:
27 |         ///     The type of the preceeding chunk that precludes the encountered chunk.
28 |         case required(chunk:PNG.Chunk, before:PNG.Chunk)
   |              `- warning: associated value 'required(chunk:before:)' of 'Sendable'-conforming enum 'DecodingError' has non-sendable type 'PNG.Chunk'; this is an error in the Swift 6 language mode
29 |         case duplicate(chunk:PNG.Chunk)
30 |         case unexpected(chunk:PNG.Chunk, after:PNG.Chunk)
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:5:12: note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Decoding/PNG.DecodingError.swift:29:14: warning: associated value 'duplicate(chunk:)' of 'Sendable'-conforming enum 'DecodingError' has non-sendable type 'PNG.Chunk'; this is an error in the Swift 6 language mode
27 |         ///     The type of the preceeding chunk that precludes the encountered chunk.
28 |         case required(chunk:PNG.Chunk, before:PNG.Chunk)
29 |         case duplicate(chunk:PNG.Chunk)
   |              `- warning: associated value 'duplicate(chunk:)' of 'Sendable'-conforming enum 'DecodingError' has non-sendable type 'PNG.Chunk'; this is an error in the Swift 6 language mode
30 |         case unexpected(chunk:PNG.Chunk, after:PNG.Chunk)
31 |
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:5:12: note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Decoding/PNG.DecodingError.swift:30:14: warning: associated value 'unexpected(chunk:after:)' of 'Sendable'-conforming enum 'DecodingError' has non-sendable type 'PNG.Chunk'; this is an error in the Swift 6 language mode
28 |         case required(chunk:PNG.Chunk, before:PNG.Chunk)
29 |         case duplicate(chunk:PNG.Chunk)
30 |         case unexpected(chunk:PNG.Chunk, after:PNG.Chunk)
   |              `- warning: associated value 'unexpected(chunk:after:)' of 'Sendable'-conforming enum 'DecodingError' has non-sendable type 'PNG.Chunk'; this is an error in the Swift 6 language mode
31 |
32 |         /// The decoder finished processing the last ``Chunk/IDAT`` chunk
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:5:12: note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Decoding/PNG.DecodingError.swift:30:14: warning: associated value 'unexpected(chunk:after:)' of 'Sendable'-conforming enum 'DecodingError' has non-sendable type 'PNG.Chunk'; this is an error in the Swift 6 language mode
28 |         case required(chunk:PNG.Chunk, before:PNG.Chunk)
29 |         case duplicate(chunk:PNG.Chunk)
30 |         case unexpected(chunk:PNG.Chunk, after:PNG.Chunk)
   |              `- warning: associated value 'unexpected(chunk:after:)' of 'Sendable'-conforming enum 'DecodingError' has non-sendable type 'PNG.Chunk'; this is an error in the Swift 6 language mode
31 |
32 |         /// The decoder finished processing the last ``Chunk/IDAT`` chunk
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:5:12: note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
[190/253] Compiling PNG PNG.Layout.swift
[191/253] Compiling PNG General.swift
[192/253] Compiling PNG LZ77.DecompressionError (ext).swift
[193/253] Compiling PNG LZ77.DeflateHeaderError (ext).swift
[194/253] Compiling PNG PNG.BytestreamDestination.swift
[195/253] Compiling PNG PNG.Encoder.Pass.swift
[196/253] Compiling PNG PNG.Encoder.swift
[197/253] Compiling PNG PNG.FormattingError.swift
[198/253] Compiling PNG PNG.Format.Pixel.swift
[199/253] Compiling PNG PNG.Format.swift
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:183:13: warning: static property 'tEXt' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
181 |         /// The numerical type code for this type identifier is `0x74455874`.
182 |         public static
183 |         let tEXt:Self = .init(unchecked: 0x74_45_58_74)
    |             |- warning: static property 'tEXt' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'tEXt' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
184 |         /// The `zTXt` chunk type.
185 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:188:13: warning: static property 'zTXt' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
186 |         /// The numerical type code for this type identifier is `0x7a545874`.
187 |         public static
188 |         let zTXt:Self = .init(unchecked: 0x7a_54_58_74)
    |             |- warning: static property 'zTXt' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'zTXt' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
189 |     }
190 | }
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:178:13: warning: static property 'iTXt' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
176 |         /// The numerical type code for this type identifier is `0x69545874`.
177 |         public static
178 |         let iTXt:Self = .init(unchecked: 0x69_54_58_74)
    |             |- warning: static property 'iTXt' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'iTXt' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
179 |         /// The `tEXt` chunk type.
180 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:172:13: warning: static property 'tIME' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
170 |         /// The numerical type code for this type identifier is `0x74494d45`.
171 |         public static
172 |         let tIME:Self = .init(unchecked: 0x74_49_4d_45)
    |             |- warning: static property 'tIME' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'tIME' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
173 |
174 |         /// The `iTXt` chunk type.
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:183:13: warning: static property 'tEXt' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
181 |         /// The numerical type code for this type identifier is `0x74455874`.
182 |         public static
183 |         let tEXt:Self = .init(unchecked: 0x74_45_58_74)
    |             |- warning: static property 'tEXt' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'tEXt' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
184 |         /// The `zTXt` chunk type.
185 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:188:13: warning: static property 'zTXt' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
186 |         /// The numerical type code for this type identifier is `0x7a545874`.
187 |         public static
188 |         let zTXt:Self = .init(unchecked: 0x7a_54_58_74)
    |             |- warning: static property 'zTXt' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'zTXt' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
189 |     }
190 | }
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:178:13: warning: static property 'iTXt' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
176 |         /// The numerical type code for this type identifier is `0x69545874`.
177 |         public static
178 |         let iTXt:Self = .init(unchecked: 0x69_54_58_74)
    |             |- warning: static property 'iTXt' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'iTXt' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
179 |         /// The `tEXt` chunk type.
180 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:172:13: warning: static property 'tIME' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
170 |         /// The numerical type code for this type identifier is `0x74494d45`.
171 |         public static
172 |         let tIME:Self = .init(unchecked: 0x74_49_4d_45)
    |             |- warning: static property 'tIME' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'tIME' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
173 |
174 |         /// The `iTXt` chunk type.
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:183:13: warning: static property 'tEXt' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
181 |         /// The numerical type code for this type identifier is `0x74455874`.
182 |         public static
183 |         let tEXt:Self = .init(unchecked: 0x74_45_58_74)
    |             |- warning: static property 'tEXt' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'tEXt' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
184 |         /// The `zTXt` chunk type.
185 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:188:13: warning: static property 'zTXt' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
186 |         /// The numerical type code for this type identifier is `0x7a545874`.
187 |         public static
188 |         let zTXt:Self = .init(unchecked: 0x7a_54_58_74)
    |             |- warning: static property 'zTXt' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'zTXt' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
189 |     }
190 | }
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:178:13: warning: static property 'iTXt' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
176 |         /// The numerical type code for this type identifier is `0x69545874`.
177 |         public static
178 |         let iTXt:Self = .init(unchecked: 0x69_54_58_74)
    |             |- warning: static property 'iTXt' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'iTXt' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
179 |         /// The `tEXt` chunk type.
180 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:172:13: warning: static property 'tIME' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
170 |         /// The numerical type code for this type identifier is `0x74494d45`.
171 |         public static
172 |         let tIME:Self = .init(unchecked: 0x74_49_4d_45)
    |             |- warning: static property 'tIME' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'tIME' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
173 |
174 |         /// The `iTXt` chunk type.
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:183:13: warning: static property 'tEXt' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
181 |         /// The numerical type code for this type identifier is `0x74455874`.
182 |         public static
183 |         let tEXt:Self = .init(unchecked: 0x74_45_58_74)
    |             |- warning: static property 'tEXt' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'tEXt' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
184 |         /// The `zTXt` chunk type.
185 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:188:13: warning: static property 'zTXt' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
186 |         /// The numerical type code for this type identifier is `0x7a545874`.
187 |         public static
188 |         let zTXt:Self = .init(unchecked: 0x7a_54_58_74)
    |             |- warning: static property 'zTXt' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'zTXt' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
189 |     }
190 | }
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:178:13: warning: static property 'iTXt' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
176 |         /// The numerical type code for this type identifier is `0x69545874`.
177 |         public static
178 |         let iTXt:Self = .init(unchecked: 0x69_54_58_74)
    |             |- warning: static property 'iTXt' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'iTXt' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
179 |         /// The `tEXt` chunk type.
180 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:172:13: warning: static property 'tIME' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
170 |         /// The numerical type code for this type identifier is `0x74494d45`.
171 |         public static
172 |         let tIME:Self = .init(unchecked: 0x74_49_4d_45)
    |             |- warning: static property 'tIME' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'tIME' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
173 |
174 |         /// The `iTXt` chunk type.
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:183:13: warning: static property 'tEXt' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
181 |         /// The numerical type code for this type identifier is `0x74455874`.
182 |         public static
183 |         let tEXt:Self = .init(unchecked: 0x74_45_58_74)
    |             |- warning: static property 'tEXt' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'tEXt' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
184 |         /// The `zTXt` chunk type.
185 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:188:13: warning: static property 'zTXt' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
186 |         /// The numerical type code for this type identifier is `0x7a545874`.
187 |         public static
188 |         let zTXt:Self = .init(unchecked: 0x7a_54_58_74)
    |             |- warning: static property 'zTXt' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'zTXt' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
189 |     }
190 | }
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:178:13: warning: static property 'iTXt' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
176 |         /// The numerical type code for this type identifier is `0x69545874`.
177 |         public static
178 |         let iTXt:Self = .init(unchecked: 0x69_54_58_74)
    |             |- warning: static property 'iTXt' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'iTXt' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
179 |         /// The `tEXt` chunk type.
180 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:172:13: warning: static property 'tIME' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
170 |         /// The numerical type code for this type identifier is `0x74494d45`.
171 |         public static
172 |         let tIME:Self = .init(unchecked: 0x74_49_4d_45)
    |             |- warning: static property 'tIME' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'tIME' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
173 |
174 |         /// The `iTXt` chunk type.
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:104:13: warning: static property 'PLTE' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
102 |         /// The numerical type code for this type identifier is `0x504c5445`.
103 |         public static
104 |         let PLTE:Self = .init(unchecked: 0x50_4c_54_45)
    |             |- warning: static property 'PLTE' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'PLTE' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
105 |         /// The `IDAT` chunk type.
106 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:145:13: warning: static property 'bKGD' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
143 |         /// The numerical type code for this type identifier is `0x624b4744`.
144 |         public static
145 |         let bKGD:Self = .init(unchecked: 0x62_4b_47_44)
    |             |- warning: static property 'bKGD' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'bKGD' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
146 |         /// The `hIST` chunk type.
147 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:120:13: warning: static property 'cHRM' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
118 |         /// The numerical type code for this type identifier is `0x6348524d`.
119 |         public static
120 |         let cHRM:Self = .init(unchecked: 0x63_48_52_4d)
    |             |- warning: static property 'cHRM' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'cHRM' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
121 |         /// The `gAMA` chunk type.
122 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:130:13: warning: static property 'iCCP' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
128 |         /// The numerical type code for this type identifier is `0x69434350`.
129 |         public static
130 |         let iCCP:Self = .init(unchecked: 0x69_43_43_50)
    |             |- warning: static property 'iCCP' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'iCCP' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
131 |         /// The `sBIT` chunk type.
132 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:104:13: warning: static property 'PLTE' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
102 |         /// The numerical type code for this type identifier is `0x504c5445`.
103 |         public static
104 |         let PLTE:Self = .init(unchecked: 0x50_4c_54_45)
    |             |- warning: static property 'PLTE' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'PLTE' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
105 |         /// The `IDAT` chunk type.
106 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:145:13: warning: static property 'bKGD' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
143 |         /// The numerical type code for this type identifier is `0x624b4744`.
144 |         public static
145 |         let bKGD:Self = .init(unchecked: 0x62_4b_47_44)
    |             |- warning: static property 'bKGD' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'bKGD' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
146 |         /// The `hIST` chunk type.
147 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:120:13: warning: static property 'cHRM' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
118 |         /// The numerical type code for this type identifier is `0x6348524d`.
119 |         public static
120 |         let cHRM:Self = .init(unchecked: 0x63_48_52_4d)
    |             |- warning: static property 'cHRM' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'cHRM' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
121 |         /// The `gAMA` chunk type.
122 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:130:13: warning: static property 'iCCP' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
128 |         /// The numerical type code for this type identifier is `0x69434350`.
129 |         public static
130 |         let iCCP:Self = .init(unchecked: 0x69_43_43_50)
    |             |- warning: static property 'iCCP' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'iCCP' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
131 |         /// The `sBIT` chunk type.
132 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:104:13: warning: static property 'PLTE' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
102 |         /// The numerical type code for this type identifier is `0x504c5445`.
103 |         public static
104 |         let PLTE:Self = .init(unchecked: 0x50_4c_54_45)
    |             |- warning: static property 'PLTE' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'PLTE' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
105 |         /// The `IDAT` chunk type.
106 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:145:13: warning: static property 'bKGD' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
143 |         /// The numerical type code for this type identifier is `0x624b4744`.
144 |         public static
145 |         let bKGD:Self = .init(unchecked: 0x62_4b_47_44)
    |             |- warning: static property 'bKGD' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'bKGD' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
146 |         /// The `hIST` chunk type.
147 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:120:13: warning: static property 'cHRM' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
118 |         /// The numerical type code for this type identifier is `0x6348524d`.
119 |         public static
120 |         let cHRM:Self = .init(unchecked: 0x63_48_52_4d)
    |             |- warning: static property 'cHRM' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'cHRM' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
121 |         /// The `gAMA` chunk type.
122 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:130:13: warning: static property 'iCCP' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
128 |         /// The numerical type code for this type identifier is `0x69434350`.
129 |         public static
130 |         let iCCP:Self = .init(unchecked: 0x69_43_43_50)
    |             |- warning: static property 'iCCP' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'iCCP' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
131 |         /// The `sBIT` chunk type.
132 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:104:13: warning: static property 'PLTE' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
102 |         /// The numerical type code for this type identifier is `0x504c5445`.
103 |         public static
104 |         let PLTE:Self = .init(unchecked: 0x50_4c_54_45)
    |             |- warning: static property 'PLTE' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'PLTE' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
105 |         /// The `IDAT` chunk type.
106 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:145:13: warning: static property 'bKGD' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
143 |         /// The numerical type code for this type identifier is `0x624b4744`.
144 |         public static
145 |         let bKGD:Self = .init(unchecked: 0x62_4b_47_44)
    |             |- warning: static property 'bKGD' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'bKGD' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
146 |         /// The `hIST` chunk type.
147 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:120:13: warning: static property 'cHRM' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
118 |         /// The numerical type code for this type identifier is `0x6348524d`.
119 |         public static
120 |         let cHRM:Self = .init(unchecked: 0x63_48_52_4d)
    |             |- warning: static property 'cHRM' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'cHRM' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
121 |         /// The `gAMA` chunk type.
122 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:130:13: warning: static property 'iCCP' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
128 |         /// The numerical type code for this type identifier is `0x69434350`.
129 |         public static
130 |         let iCCP:Self = .init(unchecked: 0x69_43_43_50)
    |             |- warning: static property 'iCCP' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'iCCP' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
131 |         /// The `sBIT` chunk type.
132 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:104:13: warning: static property 'PLTE' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
102 |         /// The numerical type code for this type identifier is `0x504c5445`.
103 |         public static
104 |         let PLTE:Self = .init(unchecked: 0x50_4c_54_45)
    |             |- warning: static property 'PLTE' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'PLTE' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
105 |         /// The `IDAT` chunk type.
106 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:145:13: warning: static property 'bKGD' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
143 |         /// The numerical type code for this type identifier is `0x624b4744`.
144 |         public static
145 |         let bKGD:Self = .init(unchecked: 0x62_4b_47_44)
    |             |- warning: static property 'bKGD' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'bKGD' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
146 |         /// The `hIST` chunk type.
147 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:120:13: warning: static property 'cHRM' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
118 |         /// The numerical type code for this type identifier is `0x6348524d`.
119 |         public static
120 |         let cHRM:Self = .init(unchecked: 0x63_48_52_4d)
    |             |- warning: static property 'cHRM' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'cHRM' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
121 |         /// The `gAMA` chunk type.
122 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:130:13: warning: static property 'iCCP' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
128 |         /// The numerical type code for this type identifier is `0x69434350`.
129 |         public static
130 |         let iCCP:Self = .init(unchecked: 0x69_43_43_50)
    |             |- warning: static property 'iCCP' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'iCCP' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
131 |         /// The `sBIT` chunk type.
132 |         ///
[209/253] Linking LZ77Tests
[210/253] Applying LZ77Tests
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:94:13: warning: static property 'CgBI' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
 92 |         /// The numerical type code for this type identifier is `0x43674249`.
 93 |         public static
 94 |         let CgBI:Self = .init(unchecked: 0x43_67_42_49)
    |             |- warning: static property 'CgBI' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'CgBI' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 95 |         /// The `IHDR` chunk type.
 96 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:99:13: warning: static property 'IHDR' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
 97 |         /// The numerical type code for this type identifier is `0x49484452`.
 98 |         public static
 99 |         let IHDR:Self = .init(unchecked: 0x49_48_44_52)
    |             |- warning: static property 'IHDR' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'IHDR' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
100 |         /// The `PLTE` chunk type.
101 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:104:13: warning: static property 'PLTE' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
102 |         /// The numerical type code for this type identifier is `0x504c5445`.
103 |         public static
104 |         let PLTE:Self = .init(unchecked: 0x50_4c_54_45)
    |             |- warning: static property 'PLTE' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'PLTE' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
105 |         /// The `IDAT` chunk type.
106 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:109:13: warning: static property 'IDAT' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
107 |         /// The numerical type code for this type identifier is `0x49444154`.
108 |         public static
109 |         let IDAT:Self = .init(unchecked: 0x49_44_41_54)
    |             |- warning: static property 'IDAT' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'IDAT' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
110 |         /// The `IEND` chunk type.
111 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:114:13: warning: static property 'IEND' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
112 |         /// The numerical type code for this type identifier is `0x49454e44`.
113 |         public static
114 |         let IEND:Self = .init(unchecked: 0x49_45_4e_44)
    |             |- warning: static property 'IEND' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'IEND' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
115 |
116 |         /// The `cHRM` chunk type.
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:120:13: warning: static property 'cHRM' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
118 |         /// The numerical type code for this type identifier is `0x6348524d`.
119 |         public static
120 |         let cHRM:Self = .init(unchecked: 0x63_48_52_4d)
    |             |- warning: static property 'cHRM' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'cHRM' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
121 |         /// The `gAMA` chunk type.
122 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:125:13: warning: static property 'gAMA' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
123 |         /// The numerical type code for this type identifier is `0x67414d41`.
124 |         public static
125 |         let gAMA:Self = .init(unchecked: 0x67_41_4d_41)
    |             |- warning: static property 'gAMA' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'gAMA' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
126 |         /// The `iCCP` chunk type.
127 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:130:13: warning: static property 'iCCP' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
128 |         /// The numerical type code for this type identifier is `0x69434350`.
129 |         public static
130 |         let iCCP:Self = .init(unchecked: 0x69_43_43_50)
    |             |- warning: static property 'iCCP' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'iCCP' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
131 |         /// The `sBIT` chunk type.
132 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:135:13: warning: static property 'sBIT' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
133 |         /// The numerical type code for this type identifier is `0x73424954`.
134 |         public static
135 |         let sBIT:Self = .init(unchecked: 0x73_42_49_54)
    |             |- warning: static property 'sBIT' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'sBIT' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
136 |         /// The `sRGB` chunk type.
137 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:140:13: warning: static property 'sRGB' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
138 |         /// The numerical type code for this type identifier is `0x73524742`.
139 |         public static
140 |         let sRGB:Self = .init(unchecked: 0x73_52_47_42)
    |             |- warning: static property 'sRGB' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'sRGB' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
141 |         /// The `bKGD` chunk type.
142 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:145:13: warning: static property 'bKGD' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
143 |         /// The numerical type code for this type identifier is `0x624b4744`.
144 |         public static
145 |         let bKGD:Self = .init(unchecked: 0x62_4b_47_44)
    |             |- warning: static property 'bKGD' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'bKGD' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
146 |         /// The `hIST` chunk type.
147 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:150:13: warning: static property 'hIST' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
148 |         /// The numerical type code for this type identifier is `0x68495354`.
149 |         public static
150 |         let hIST:Self = .init(unchecked: 0x68_49_53_54)
    |             |- warning: static property 'hIST' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'hIST' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
151 |         /// The `tRNS` chunk type.
152 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:155:13: warning: static property 'tRNS' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
153 |         /// The numerical type code for this type identifier is `0x74524e53`.
154 |         public static
155 |         let tRNS:Self = .init(unchecked: 0x74_52_4e_53)
    |             |- warning: static property 'tRNS' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'tRNS' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
156 |
157 |         /// The `pHYs` chunk type.
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:161:13: warning: static property 'pHYs' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
159 |         /// The numerical type code for this type identifier is `0x70485973`.
160 |         public static
161 |         let pHYs:Self = .init(unchecked: 0x70_48_59_73)
    |             |- warning: static property 'pHYs' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'pHYs' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
162 |
163 |         /// The `sPLT` chunk type.
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:167:13: warning: static property 'sPLT' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
165 |         /// The numerical type code for this type identifier is `0x73504c54`.
166 |         public static
167 |         let sPLT:Self = .init(unchecked: 0x73_50_4c_54)
    |             |- warning: static property 'sPLT' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'sPLT' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
168 |         /// The `tIME` chunk type.
169 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:172:13: warning: static property 'tIME' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
170 |         /// The numerical type code for this type identifier is `0x74494d45`.
171 |         public static
172 |         let tIME:Self = .init(unchecked: 0x74_49_4d_45)
    |             |- warning: static property 'tIME' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'tIME' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
173 |
174 |         /// The `iTXt` chunk type.
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:178:13: warning: static property 'iTXt' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
176 |         /// The numerical type code for this type identifier is `0x69545874`.
177 |         public static
178 |         let iTXt:Self = .init(unchecked: 0x69_54_58_74)
    |             |- warning: static property 'iTXt' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'iTXt' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
179 |         /// The `tEXt` chunk type.
180 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:183:13: warning: static property 'tEXt' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
181 |         /// The numerical type code for this type identifier is `0x74455874`.
182 |         public static
183 |         let tEXt:Self = .init(unchecked: 0x74_45_58_74)
    |             |- warning: static property 'tEXt' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'tEXt' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
184 |         /// The `zTXt` chunk type.
185 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:188:13: warning: static property 'zTXt' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
186 |         /// The numerical type code for this type identifier is `0x7a545874`.
187 |         public static
188 |         let zTXt:Self = .init(unchecked: 0x7a_54_58_74)
    |             |- warning: static property 'zTXt' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'zTXt' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
189 |     }
190 | }
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:94:13: warning: static property 'CgBI' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
 92 |         /// The numerical type code for this type identifier is `0x43674249`.
 93 |         public static
 94 |         let CgBI:Self = .init(unchecked: 0x43_67_42_49)
    |             |- warning: static property 'CgBI' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'CgBI' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 95 |         /// The `IHDR` chunk type.
 96 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:99:13: warning: static property 'IHDR' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
 97 |         /// The numerical type code for this type identifier is `0x49484452`.
 98 |         public static
 99 |         let IHDR:Self = .init(unchecked: 0x49_48_44_52)
    |             |- warning: static property 'IHDR' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'IHDR' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
100 |         /// The `PLTE` chunk type.
101 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:104:13: warning: static property 'PLTE' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
102 |         /// The numerical type code for this type identifier is `0x504c5445`.
103 |         public static
104 |         let PLTE:Self = .init(unchecked: 0x50_4c_54_45)
    |             |- warning: static property 'PLTE' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'PLTE' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
105 |         /// The `IDAT` chunk type.
106 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:109:13: warning: static property 'IDAT' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
107 |         /// The numerical type code for this type identifier is `0x49444154`.
108 |         public static
109 |         let IDAT:Self = .init(unchecked: 0x49_44_41_54)
    |             |- warning: static property 'IDAT' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'IDAT' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
110 |         /// The `IEND` chunk type.
111 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:114:13: warning: static property 'IEND' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
112 |         /// The numerical type code for this type identifier is `0x49454e44`.
113 |         public static
114 |         let IEND:Self = .init(unchecked: 0x49_45_4e_44)
    |             |- warning: static property 'IEND' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'IEND' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
115 |
116 |         /// The `cHRM` chunk type.
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:120:13: warning: static property 'cHRM' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
118 |         /// The numerical type code for this type identifier is `0x6348524d`.
119 |         public static
120 |         let cHRM:Self = .init(unchecked: 0x63_48_52_4d)
    |             |- warning: static property 'cHRM' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'cHRM' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
121 |         /// The `gAMA` chunk type.
122 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:125:13: warning: static property 'gAMA' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
123 |         /// The numerical type code for this type identifier is `0x67414d41`.
124 |         public static
125 |         let gAMA:Self = .init(unchecked: 0x67_41_4d_41)
    |             |- warning: static property 'gAMA' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'gAMA' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
126 |         /// The `iCCP` chunk type.
127 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:130:13: warning: static property 'iCCP' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
128 |         /// The numerical type code for this type identifier is `0x69434350`.
129 |         public static
130 |         let iCCP:Self = .init(unchecked: 0x69_43_43_50)
    |             |- warning: static property 'iCCP' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'iCCP' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
131 |         /// The `sBIT` chunk type.
132 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:135:13: warning: static property 'sBIT' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
133 |         /// The numerical type code for this type identifier is `0x73424954`.
134 |         public static
135 |         let sBIT:Self = .init(unchecked: 0x73_42_49_54)
    |             |- warning: static property 'sBIT' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'sBIT' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
136 |         /// The `sRGB` chunk type.
137 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:140:13: warning: static property 'sRGB' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
138 |         /// The numerical type code for this type identifier is `0x73524742`.
139 |         public static
140 |         let sRGB:Self = .init(unchecked: 0x73_52_47_42)
    |             |- warning: static property 'sRGB' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'sRGB' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
141 |         /// The `bKGD` chunk type.
142 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:145:13: warning: static property 'bKGD' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
143 |         /// The numerical type code for this type identifier is `0x624b4744`.
144 |         public static
145 |         let bKGD:Self = .init(unchecked: 0x62_4b_47_44)
    |             |- warning: static property 'bKGD' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'bKGD' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
146 |         /// The `hIST` chunk type.
147 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:150:13: warning: static property 'hIST' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
148 |         /// The numerical type code for this type identifier is `0x68495354`.
149 |         public static
150 |         let hIST:Self = .init(unchecked: 0x68_49_53_54)
    |             |- warning: static property 'hIST' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'hIST' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
151 |         /// The `tRNS` chunk type.
152 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:155:13: warning: static property 'tRNS' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
153 |         /// The numerical type code for this type identifier is `0x74524e53`.
154 |         public static
155 |         let tRNS:Self = .init(unchecked: 0x74_52_4e_53)
    |             |- warning: static property 'tRNS' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'tRNS' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
156 |
157 |         /// The `pHYs` chunk type.
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:161:13: warning: static property 'pHYs' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
159 |         /// The numerical type code for this type identifier is `0x70485973`.
160 |         public static
161 |         let pHYs:Self = .init(unchecked: 0x70_48_59_73)
    |             |- warning: static property 'pHYs' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'pHYs' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
162 |
163 |         /// The `sPLT` chunk type.
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:167:13: warning: static property 'sPLT' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
165 |         /// The numerical type code for this type identifier is `0x73504c54`.
166 |         public static
167 |         let sPLT:Self = .init(unchecked: 0x73_50_4c_54)
    |             |- warning: static property 'sPLT' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'sPLT' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
168 |         /// The `tIME` chunk type.
169 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:172:13: warning: static property 'tIME' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
170 |         /// The numerical type code for this type identifier is `0x74494d45`.
171 |         public static
172 |         let tIME:Self = .init(unchecked: 0x74_49_4d_45)
    |             |- warning: static property 'tIME' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'tIME' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
173 |
174 |         /// The `iTXt` chunk type.
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:178:13: warning: static property 'iTXt' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
176 |         /// The numerical type code for this type identifier is `0x69545874`.
177 |         public static
178 |         let iTXt:Self = .init(unchecked: 0x69_54_58_74)
    |             |- warning: static property 'iTXt' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'iTXt' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
179 |         /// The `tEXt` chunk type.
180 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:183:13: warning: static property 'tEXt' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
181 |         /// The numerical type code for this type identifier is `0x74455874`.
182 |         public static
183 |         let tEXt:Self = .init(unchecked: 0x74_45_58_74)
    |             |- warning: static property 'tEXt' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'tEXt' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
184 |         /// The `zTXt` chunk type.
185 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:188:13: warning: static property 'zTXt' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
186 |         /// The numerical type code for this type identifier is `0x7a545874`.
187 |         public static
188 |         let zTXt:Self = .init(unchecked: 0x7a_54_58_74)
    |             |- warning: static property 'zTXt' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'zTXt' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
189 |     }
190 | }
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:94:13: warning: static property 'CgBI' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
 92 |         /// The numerical type code for this type identifier is `0x43674249`.
 93 |         public static
 94 |         let CgBI:Self = .init(unchecked: 0x43_67_42_49)
    |             |- warning: static property 'CgBI' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'CgBI' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 95 |         /// The `IHDR` chunk type.
 96 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:99:13: warning: static property 'IHDR' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
 97 |         /// The numerical type code for this type identifier is `0x49484452`.
 98 |         public static
 99 |         let IHDR:Self = .init(unchecked: 0x49_48_44_52)
    |             |- warning: static property 'IHDR' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'IHDR' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
100 |         /// The `PLTE` chunk type.
101 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:104:13: warning: static property 'PLTE' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
102 |         /// The numerical type code for this type identifier is `0x504c5445`.
103 |         public static
104 |         let PLTE:Self = .init(unchecked: 0x50_4c_54_45)
    |             |- warning: static property 'PLTE' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'PLTE' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
105 |         /// The `IDAT` chunk type.
106 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:109:13: warning: static property 'IDAT' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
107 |         /// The numerical type code for this type identifier is `0x49444154`.
108 |         public static
109 |         let IDAT:Self = .init(unchecked: 0x49_44_41_54)
    |             |- warning: static property 'IDAT' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'IDAT' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
110 |         /// The `IEND` chunk type.
111 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:114:13: warning: static property 'IEND' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
112 |         /// The numerical type code for this type identifier is `0x49454e44`.
113 |         public static
114 |         let IEND:Self = .init(unchecked: 0x49_45_4e_44)
    |             |- warning: static property 'IEND' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'IEND' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
115 |
116 |         /// The `cHRM` chunk type.
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:120:13: warning: static property 'cHRM' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
118 |         /// The numerical type code for this type identifier is `0x6348524d`.
119 |         public static
120 |         let cHRM:Self = .init(unchecked: 0x63_48_52_4d)
    |             |- warning: static property 'cHRM' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'cHRM' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
121 |         /// The `gAMA` chunk type.
122 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:125:13: warning: static property 'gAMA' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
123 |         /// The numerical type code for this type identifier is `0x67414d41`.
124 |         public static
125 |         let gAMA:Self = .init(unchecked: 0x67_41_4d_41)
    |             |- warning: static property 'gAMA' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'gAMA' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
126 |         /// The `iCCP` chunk type.
127 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:130:13: warning: static property 'iCCP' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
128 |         /// The numerical type code for this type identifier is `0x69434350`.
129 |         public static
130 |         let iCCP:Self = .init(unchecked: 0x69_43_43_50)
    |             |- warning: static property 'iCCP' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'iCCP' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
131 |         /// The `sBIT` chunk type.
132 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:135:13: warning: static property 'sBIT' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
133 |         /// The numerical type code for this type identifier is `0x73424954`.
134 |         public static
135 |         let sBIT:Self = .init(unchecked: 0x73_42_49_54)
    |             |- warning: static property 'sBIT' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'sBIT' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
136 |         /// The `sRGB` chunk type.
137 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:140:13: warning: static property 'sRGB' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
138 |         /// The numerical type code for this type identifier is `0x73524742`.
139 |         public static
140 |         let sRGB:Self = .init(unchecked: 0x73_52_47_42)
    |             |- warning: static property 'sRGB' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'sRGB' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
141 |         /// The `bKGD` chunk type.
142 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:145:13: warning: static property 'bKGD' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
143 |         /// The numerical type code for this type identifier is `0x624b4744`.
144 |         public static
145 |         let bKGD:Self = .init(unchecked: 0x62_4b_47_44)
    |             |- warning: static property 'bKGD' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'bKGD' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
146 |         /// The `hIST` chunk type.
147 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:150:13: warning: static property 'hIST' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
148 |         /// The numerical type code for this type identifier is `0x68495354`.
149 |         public static
150 |         let hIST:Self = .init(unchecked: 0x68_49_53_54)
    |             |- warning: static property 'hIST' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'hIST' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
151 |         /// The `tRNS` chunk type.
152 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:155:13: warning: static property 'tRNS' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
153 |         /// The numerical type code for this type identifier is `0x74524e53`.
154 |         public static
155 |         let tRNS:Self = .init(unchecked: 0x74_52_4e_53)
    |             |- warning: static property 'tRNS' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'tRNS' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
156 |
157 |         /// The `pHYs` chunk type.
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:161:13: warning: static property 'pHYs' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
159 |         /// The numerical type code for this type identifier is `0x70485973`.
160 |         public static
161 |         let pHYs:Self = .init(unchecked: 0x70_48_59_73)
    |             |- warning: static property 'pHYs' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'pHYs' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
162 |
163 |         /// The `sPLT` chunk type.
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:167:13: warning: static property 'sPLT' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
165 |         /// The numerical type code for this type identifier is `0x73504c54`.
166 |         public static
167 |         let sPLT:Self = .init(unchecked: 0x73_50_4c_54)
    |             |- warning: static property 'sPLT' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'sPLT' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
168 |         /// The `tIME` chunk type.
169 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:172:13: warning: static property 'tIME' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
170 |         /// The numerical type code for this type identifier is `0x74494d45`.
171 |         public static
172 |         let tIME:Self = .init(unchecked: 0x74_49_4d_45)
    |             |- warning: static property 'tIME' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'tIME' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
173 |
174 |         /// The `iTXt` chunk type.
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:178:13: warning: static property 'iTXt' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
176 |         /// The numerical type code for this type identifier is `0x69545874`.
177 |         public static
178 |         let iTXt:Self = .init(unchecked: 0x69_54_58_74)
    |             |- warning: static property 'iTXt' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'iTXt' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
179 |         /// The `tEXt` chunk type.
180 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:183:13: warning: static property 'tEXt' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
181 |         /// The numerical type code for this type identifier is `0x74455874`.
182 |         public static
183 |         let tEXt:Self = .init(unchecked: 0x74_45_58_74)
    |             |- warning: static property 'tEXt' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'tEXt' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
184 |         /// The `zTXt` chunk type.
185 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:188:13: warning: static property 'zTXt' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
186 |         /// The numerical type code for this type identifier is `0x7a545874`.
187 |         public static
188 |         let zTXt:Self = .init(unchecked: 0x7a_54_58_74)
    |             |- warning: static property 'zTXt' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'zTXt' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
189 |     }
190 | }
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:94:13: warning: static property 'CgBI' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
 92 |         /// The numerical type code for this type identifier is `0x43674249`.
 93 |         public static
 94 |         let CgBI:Self = .init(unchecked: 0x43_67_42_49)
    |             |- warning: static property 'CgBI' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'CgBI' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 95 |         /// The `IHDR` chunk type.
 96 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:99:13: warning: static property 'IHDR' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
 97 |         /// The numerical type code for this type identifier is `0x49484452`.
 98 |         public static
 99 |         let IHDR:Self = .init(unchecked: 0x49_48_44_52)
    |             |- warning: static property 'IHDR' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'IHDR' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
100 |         /// The `PLTE` chunk type.
101 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:104:13: warning: static property 'PLTE' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
102 |         /// The numerical type code for this type identifier is `0x504c5445`.
103 |         public static
104 |         let PLTE:Self = .init(unchecked: 0x50_4c_54_45)
    |             |- warning: static property 'PLTE' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'PLTE' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
105 |         /// The `IDAT` chunk type.
106 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:109:13: warning: static property 'IDAT' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
107 |         /// The numerical type code for this type identifier is `0x49444154`.
108 |         public static
109 |         let IDAT:Self = .init(unchecked: 0x49_44_41_54)
    |             |- warning: static property 'IDAT' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'IDAT' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
110 |         /// The `IEND` chunk type.
111 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:114:13: warning: static property 'IEND' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
112 |         /// The numerical type code for this type identifier is `0x49454e44`.
113 |         public static
114 |         let IEND:Self = .init(unchecked: 0x49_45_4e_44)
    |             |- warning: static property 'IEND' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'IEND' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
115 |
116 |         /// The `cHRM` chunk type.
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:120:13: warning: static property 'cHRM' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
118 |         /// The numerical type code for this type identifier is `0x6348524d`.
119 |         public static
120 |         let cHRM:Self = .init(unchecked: 0x63_48_52_4d)
    |             |- warning: static property 'cHRM' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'cHRM' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
121 |         /// The `gAMA` chunk type.
122 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:125:13: warning: static property 'gAMA' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
123 |         /// The numerical type code for this type identifier is `0x67414d41`.
124 |         public static
125 |         let gAMA:Self = .init(unchecked: 0x67_41_4d_41)
    |             |- warning: static property 'gAMA' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'gAMA' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
126 |         /// The `iCCP` chunk type.
127 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:130:13: warning: static property 'iCCP' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
128 |         /// The numerical type code for this type identifier is `0x69434350`.
129 |         public static
130 |         let iCCP:Self = .init(unchecked: 0x69_43_43_50)
    |             |- warning: static property 'iCCP' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'iCCP' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
131 |         /// The `sBIT` chunk type.
132 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:135:13: warning: static property 'sBIT' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
133 |         /// The numerical type code for this type identifier is `0x73424954`.
134 |         public static
135 |         let sBIT:Self = .init(unchecked: 0x73_42_49_54)
    |             |- warning: static property 'sBIT' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'sBIT' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
136 |         /// The `sRGB` chunk type.
137 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:140:13: warning: static property 'sRGB' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
138 |         /// The numerical type code for this type identifier is `0x73524742`.
139 |         public static
140 |         let sRGB:Self = .init(unchecked: 0x73_52_47_42)
    |             |- warning: static property 'sRGB' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'sRGB' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
141 |         /// The `bKGD` chunk type.
142 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:145:13: warning: static property 'bKGD' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
143 |         /// The numerical type code for this type identifier is `0x624b4744`.
144 |         public static
145 |         let bKGD:Self = .init(unchecked: 0x62_4b_47_44)
    |             |- warning: static property 'bKGD' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'bKGD' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
146 |         /// The `hIST` chunk type.
147 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:150:13: warning: static property 'hIST' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
148 |         /// The numerical type code for this type identifier is `0x68495354`.
149 |         public static
150 |         let hIST:Self = .init(unchecked: 0x68_49_53_54)
    |             |- warning: static property 'hIST' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'hIST' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
151 |         /// The `tRNS` chunk type.
152 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:155:13: warning: static property 'tRNS' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
153 |         /// The numerical type code for this type identifier is `0x74524e53`.
154 |         public static
155 |         let tRNS:Self = .init(unchecked: 0x74_52_4e_53)
    |             |- warning: static property 'tRNS' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'tRNS' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
156 |
157 |         /// The `pHYs` chunk type.
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:161:13: warning: static property 'pHYs' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
159 |         /// The numerical type code for this type identifier is `0x70485973`.
160 |         public static
161 |         let pHYs:Self = .init(unchecked: 0x70_48_59_73)
    |             |- warning: static property 'pHYs' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'pHYs' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
162 |
163 |         /// The `sPLT` chunk type.
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:167:13: warning: static property 'sPLT' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
165 |         /// The numerical type code for this type identifier is `0x73504c54`.
166 |         public static
167 |         let sPLT:Self = .init(unchecked: 0x73_50_4c_54)
    |             |- warning: static property 'sPLT' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'sPLT' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
168 |         /// The `tIME` chunk type.
169 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:172:13: warning: static property 'tIME' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
170 |         /// The numerical type code for this type identifier is `0x74494d45`.
171 |         public static
172 |         let tIME:Self = .init(unchecked: 0x74_49_4d_45)
    |             |- warning: static property 'tIME' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'tIME' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
173 |
174 |         /// The `iTXt` chunk type.
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:178:13: warning: static property 'iTXt' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
176 |         /// The numerical type code for this type identifier is `0x69545874`.
177 |         public static
178 |         let iTXt:Self = .init(unchecked: 0x69_54_58_74)
    |             |- warning: static property 'iTXt' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'iTXt' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
179 |         /// The `tEXt` chunk type.
180 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:183:13: warning: static property 'tEXt' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
181 |         /// The numerical type code for this type identifier is `0x74455874`.
182 |         public static
183 |         let tEXt:Self = .init(unchecked: 0x74_45_58_74)
    |             |- warning: static property 'tEXt' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'tEXt' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
184 |         /// The `zTXt` chunk type.
185 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:188:13: warning: static property 'zTXt' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
186 |         /// The numerical type code for this type identifier is `0x7a545874`.
187 |         public static
188 |         let zTXt:Self = .init(unchecked: 0x7a_54_58_74)
    |             |- warning: static property 'zTXt' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'zTXt' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
189 |     }
190 | }
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:94:13: warning: static property 'CgBI' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
 92 |         /// The numerical type code for this type identifier is `0x43674249`.
 93 |         public static
 94 |         let CgBI:Self = .init(unchecked: 0x43_67_42_49)
    |             |- warning: static property 'CgBI' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'CgBI' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 95 |         /// The `IHDR` chunk type.
 96 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:99:13: warning: static property 'IHDR' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
 97 |         /// The numerical type code for this type identifier is `0x49484452`.
 98 |         public static
 99 |         let IHDR:Self = .init(unchecked: 0x49_48_44_52)
    |             |- warning: static property 'IHDR' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'IHDR' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
100 |         /// The `PLTE` chunk type.
101 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:104:13: warning: static property 'PLTE' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
102 |         /// The numerical type code for this type identifier is `0x504c5445`.
103 |         public static
104 |         let PLTE:Self = .init(unchecked: 0x50_4c_54_45)
    |             |- warning: static property 'PLTE' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'PLTE' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
105 |         /// The `IDAT` chunk type.
106 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:109:13: warning: static property 'IDAT' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
107 |         /// The numerical type code for this type identifier is `0x49444154`.
108 |         public static
109 |         let IDAT:Self = .init(unchecked: 0x49_44_41_54)
    |             |- warning: static property 'IDAT' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'IDAT' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
110 |         /// The `IEND` chunk type.
111 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:114:13: warning: static property 'IEND' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
112 |         /// The numerical type code for this type identifier is `0x49454e44`.
113 |         public static
114 |         let IEND:Self = .init(unchecked: 0x49_45_4e_44)
    |             |- warning: static property 'IEND' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'IEND' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
115 |
116 |         /// The `cHRM` chunk type.
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:120:13: warning: static property 'cHRM' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
118 |         /// The numerical type code for this type identifier is `0x6348524d`.
119 |         public static
120 |         let cHRM:Self = .init(unchecked: 0x63_48_52_4d)
    |             |- warning: static property 'cHRM' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'cHRM' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
121 |         /// The `gAMA` chunk type.
122 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:125:13: warning: static property 'gAMA' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
123 |         /// The numerical type code for this type identifier is `0x67414d41`.
124 |         public static
125 |         let gAMA:Self = .init(unchecked: 0x67_41_4d_41)
    |             |- warning: static property 'gAMA' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'gAMA' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
126 |         /// The `iCCP` chunk type.
127 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:130:13: warning: static property 'iCCP' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
128 |         /// The numerical type code for this type identifier is `0x69434350`.
129 |         public static
130 |         let iCCP:Self = .init(unchecked: 0x69_43_43_50)
    |             |- warning: static property 'iCCP' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'iCCP' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
131 |         /// The `sBIT` chunk type.
132 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:135:13: warning: static property 'sBIT' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
133 |         /// The numerical type code for this type identifier is `0x73424954`.
134 |         public static
135 |         let sBIT:Self = .init(unchecked: 0x73_42_49_54)
    |             |- warning: static property 'sBIT' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'sBIT' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
136 |         /// The `sRGB` chunk type.
137 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:140:13: warning: static property 'sRGB' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
138 |         /// The numerical type code for this type identifier is `0x73524742`.
139 |         public static
140 |         let sRGB:Self = .init(unchecked: 0x73_52_47_42)
    |             |- warning: static property 'sRGB' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'sRGB' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
141 |         /// The `bKGD` chunk type.
142 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:145:13: warning: static property 'bKGD' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
143 |         /// The numerical type code for this type identifier is `0x624b4744`.
144 |         public static
145 |         let bKGD:Self = .init(unchecked: 0x62_4b_47_44)
    |             |- warning: static property 'bKGD' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'bKGD' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
146 |         /// The `hIST` chunk type.
147 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:150:13: warning: static property 'hIST' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
148 |         /// The numerical type code for this type identifier is `0x68495354`.
149 |         public static
150 |         let hIST:Self = .init(unchecked: 0x68_49_53_54)
    |             |- warning: static property 'hIST' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'hIST' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
151 |         /// The `tRNS` chunk type.
152 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:155:13: warning: static property 'tRNS' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
153 |         /// The numerical type code for this type identifier is `0x74524e53`.
154 |         public static
155 |         let tRNS:Self = .init(unchecked: 0x74_52_4e_53)
    |             |- warning: static property 'tRNS' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'tRNS' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
156 |
157 |         /// The `pHYs` chunk type.
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:161:13: warning: static property 'pHYs' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
159 |         /// The numerical type code for this type identifier is `0x70485973`.
160 |         public static
161 |         let pHYs:Self = .init(unchecked: 0x70_48_59_73)
    |             |- warning: static property 'pHYs' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'pHYs' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
162 |
163 |         /// The `sPLT` chunk type.
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:167:13: warning: static property 'sPLT' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
165 |         /// The numerical type code for this type identifier is `0x73504c54`.
166 |         public static
167 |         let sPLT:Self = .init(unchecked: 0x73_50_4c_54)
    |             |- warning: static property 'sPLT' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'sPLT' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
168 |         /// The `tIME` chunk type.
169 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:172:13: warning: static property 'tIME' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
170 |         /// The numerical type code for this type identifier is `0x74494d45`.
171 |         public static
172 |         let tIME:Self = .init(unchecked: 0x74_49_4d_45)
    |             |- warning: static property 'tIME' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'tIME' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
173 |
174 |         /// The `iTXt` chunk type.
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:178:13: warning: static property 'iTXt' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
176 |         /// The numerical type code for this type identifier is `0x69545874`.
177 |         public static
178 |         let iTXt:Self = .init(unchecked: 0x69_54_58_74)
    |             |- warning: static property 'iTXt' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'iTXt' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
179 |         /// The `tEXt` chunk type.
180 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:183:13: warning: static property 'tEXt' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
181 |         /// The numerical type code for this type identifier is `0x74455874`.
182 |         public static
183 |         let tEXt:Self = .init(unchecked: 0x74_45_58_74)
    |             |- warning: static property 'tEXt' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'tEXt' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
184 |         /// The `zTXt` chunk type.
185 |         ///
/Users/admin/builder/spi-builder-workspace/Sources/PNG/Lexing/PNG.Chunk.swift:188:13: warning: static property 'zTXt' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
  3 |     /// A chunk type identifier.
  4 |     public
  5 |     struct Chunk:Hashable, Equatable, CustomStringConvertible
    |            `- note: consider making struct 'Chunk' conform to the 'Sendable' protocol
  6 |     {
  7 |         /// The chunk type code.
    :
186 |         /// The numerical type code for this type identifier is `0x7a545874`.
187 |         public static
188 |         let zTXt:Self = .init(unchecked: 0x7a_54_58_74)
    |             |- warning: static property 'zTXt' is not concurrency-safe because non-'Sendable' type 'PNG.Chunk' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'zTXt' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
189 |     }
190 | }
[217/278] Compiling StreamingZlib StreamingZlib.swift
[218/278] Emitting module StreamingZlib
[219/280] Compiling iPhoneOptimized iPhoneOptimized.swift
[220/280] Emitting module iPhoneOptimized
[221/280] Compiling PNGInspection PNG.SuggestedPalette (ext).swift
/Users/admin/builder/spi-builder-workspace/Sources/PNGInspection/PNG.SuggestedPalette (ext).swift:3:1: warning: extension declares a conformance of imported type 'SuggestedPalette' to imported protocol 'CustomStringConvertible'; this will not behave correctly if the owners of 'PNG' introduce this conformance in the future
 1 | import PNG
 2 |
 3 | extension PNG.SuggestedPalette:CustomStringConvertible
   | |- warning: extension declares a conformance of imported type 'SuggestedPalette' to imported protocol 'CustomStringConvertible'; this will not behave correctly if the owners of 'PNG' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 4 | {
 5 |     public
[222/280] Compiling StreamingGzip StreamingGzip.swift
[223/280] Emitting module StreamingGzip
[224/284] Compiling PNGTests Main.swift
[225/284] Compiling PNGTests Main.Filtering.swift
[226/284] Emitting module PNGTests
[227/284] Compiling PNGTests Main.Premultiplication.swift
[228/284] Emitting module PNGCompressionBenchmarks
[229/284] Compiling PNGCompressionBenchmarks Main.swift
[230/284] Emitting module Indexing
[231/284] Compiling Indexing Indexing.swift
[232/284] Emitting module PNGCompressionTests
[233/284] Compiling PNGCompressionTests Main.swift
[234/284] Compiling PNGDecompressionBenchmarks Main.swift
[235/284] Emitting module PNGDecompressionBenchmarks
[236/284] Emitting module OnlineDecoding
[237/284] Compiling OnlineDecoding OnlineDecoding.swift
[237/284] Write Objects.LinkFileList
[240/286] Emitting module ImageMetadata
[241/286] Compiling ImageMetadata ImageMetadata.swift
[241/286] Write Objects.LinkFileList
[244/292] Emitting module ImagesInMemory
[245/292] Compiling ImagesInMemory ImagesInMemory.swift
[245/292] Linking decompression-benchmark
[246/292] Write Objects.LinkFileList
[247/292] Linking iPhoneOptimized
[248/292] Applying decompression-benchmark
[249/292] Write Objects.LinkFileList
[251/292] Linking compression-benchmark
[253/292] Emitting module BasicGzip
[254/292] Compiling BasicGzip BasicGzip.swift
[254/292] Applying compression-benchmark
[255/292] Write Objects.LinkFileList
[258/292] Emitting module BasicDecoding
[259/292] Compiling BasicDecoding BasicDecoding.swift
[259/292] Linking StreamingZlib
[260/292] Write Objects.LinkFileList
[263/292] Compiling PNGIntegrationTests String.swift
[264/292] Compiling PNGIntegrationTests Main.swift
[265/292] Emitting module PNGIntegrationTests
[266/292] Emitting module BasicEncoding
[267/292] Compiling BasicEncoding BasicEncoding.swift
[267/292] Write Objects.LinkFileList
[269/292] Linking StreamingGzip
[270/292] Linking PNGCompressionTests
[271/292] Write Objects.LinkFileList
[272/292] Linking PNGTests
[273/292] Applying PNGCompressionTests
[274/292] Linking OnlineDecoding
[275/292] Write Objects.LinkFileList
[276/292] Applying PNGTests
[277/292] Linking Indexing
[278/292] Linking ImagesInMemory
[280/292] Emitting module PNGInspection
/Users/admin/builder/spi-builder-workspace/Sources/PNGInspection/PNG.Metadata (ext).swift:3:1: warning: extension declares a conformance of imported type 'Metadata' to imported protocol 'CustomStringConvertible'; this will not behave correctly if the owners of 'PNG' introduce this conformance in the future
 1 | import PNG
 2 |
 3 | extension PNG.Metadata:CustomStringConvertible
   | |- warning: extension declares a conformance of imported type 'Metadata' to imported protocol 'CustomStringConvertible'; this will not behave correctly if the owners of 'PNG' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 4 | {
 5 |     public
/Users/admin/builder/spi-builder-workspace/Sources/PNGInspection/PNG.SuggestedPalette (ext).swift:3:1: warning: extension declares a conformance of imported type 'SuggestedPalette' to imported protocol 'CustomStringConvertible'; this will not behave correctly if the owners of 'PNG' introduce this conformance in the future
 1 | import PNG
 2 |
 3 | extension PNG.SuggestedPalette:CustomStringConvertible
   | |- warning: extension declares a conformance of imported type 'SuggestedPalette' to imported protocol 'CustomStringConvertible'; this will not behave correctly if the owners of 'PNG' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 4 | {
 5 |     public
/Users/admin/builder/spi-builder-workspace/Sources/PNGInspection/String (ext).swift:4:9: warning: static property 'bold' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
  2 | {
  3 |     static
  4 |     var bold:Self   = "\u{1B}[1m"
    |         |- warning: static property 'bold' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |         |- note: convert 'bold' to a 'let' constant to make 'Sendable' shared state immutable
    |         |- note: annotate 'bold' with '@MainActor' if property should only be accessed from the main actor
    |         `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
  5 |     static
  6 |     var reset:Self  = "\u{1B}[0m"
/Users/admin/builder/spi-builder-workspace/Sources/PNGInspection/String (ext).swift:6:9: warning: static property 'reset' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
  4 |     var bold:Self   = "\u{1B}[1m"
  5 |     static
  6 |     var reset:Self  = "\u{1B}[0m"
    |         |- warning: static property 'reset' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |         |- note: convert 'reset' to a 'let' constant to make 'Sendable' shared state immutable
    |         |- note: annotate 'reset' with '@MainActor' if property should only be accessed from the main actor
    |         `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
  7 |
  8 |     static
[281/292] Compiling PNGInspection PNG.Metadata (ext).swift
/Users/admin/builder/spi-builder-workspace/Sources/PNGInspection/PNG.Metadata (ext).swift:3:1: warning: extension declares a conformance of imported type 'Metadata' to imported protocol 'CustomStringConvertible'; this will not behave correctly if the owners of 'PNG' introduce this conformance in the future
 1 | import PNG
 2 |
 3 | extension PNG.Metadata:CustomStringConvertible
   | |- warning: extension declares a conformance of imported type 'Metadata' to imported protocol 'CustomStringConvertible'; this will not behave correctly if the owners of 'PNG' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
 4 | {
 5 |     public
[282/292] Compiling PNGInspection String (ext).swift
/Users/admin/builder/spi-builder-workspace/Sources/PNGInspection/String (ext).swift:4:9: warning: static property 'bold' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
  2 | {
  3 |     static
  4 |     var bold:Self   = "\u{1B}[1m"
    |         |- warning: static property 'bold' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |         |- note: convert 'bold' to a 'let' constant to make 'Sendable' shared state immutable
    |         |- note: annotate 'bold' with '@MainActor' if property should only be accessed from the main actor
    |         `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
  5 |     static
  6 |     var reset:Self  = "\u{1B}[0m"
/Users/admin/builder/spi-builder-workspace/Sources/PNGInspection/String (ext).swift:6:9: warning: static property 'reset' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
  4 |     var bold:Self   = "\u{1B}[1m"
  5 |     static
  6 |     var reset:Self  = "\u{1B}[0m"
    |         |- warning: static property 'reset' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |         |- note: convert 'reset' to a 'let' constant to make 'Sendable' shared state immutable
    |         |- note: annotate 'reset' with '@MainActor' if property should only be accessed from the main actor
    |         `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
  7 |
  8 |     static
[282/292] Linking ImageMetadata
[283/292] Linking BasicGzip
[284/292] Linking PNGIntegrationTests
[285/292] Applying PNGIntegrationTests
[286/292] Linking BasicEncoding
[288/292] Compiling CustomColor CustomColor.swift
[289/292] Emitting module CustomColor
[289/292] Write Objects.LinkFileList
[290/292] Linking BasicDecoding
[291/292] Linking CustomColor
Build complete! (15.25s)
Build complete.
{
  "dependencies" : [
    {
      "identity" : "swift-hash",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.6.3",
            "upper_bound" : "0.7.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/tayloraswift/swift-hash"
    },
    {
      "identity" : "swift-grammar",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.4.0",
            "upper_bound" : "0.5.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/tayloraswift/swift-grammar"
    }
  ],
  "manifest_display_name" : "swift-png",
  "name" : "swift-png",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.15"
    },
    {
      "name" : "ios",
      "version" : "13.0"
    },
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      "name" : "tvos",
      "version" : "13.0"
    },
    {
      "name" : "watchos",
      "version" : "6.0"
    }
  ],
  "products" : [
    {
      "name" : "LZ77",
      "targets" : [
        "LZ77"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "PNG",
      "targets" : [
        "PNG"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "compression-benchmark",
      "targets" : [
        "PNGCompressionBenchmarks"
      ],
      "type" : {
        "executable" : null
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    },
    {
      "name" : "decompression-benchmark",
      "targets" : [
        "PNGDecompressionBenchmarks"
      ],
      "type" : {
        "executable" : null
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    },
    {
      "name" : "PNGTests",
      "targets" : [
        "PNGTests"
      ],
      "type" : {
        "executable" : null
      }
    },
    {
      "name" : "PNGIntegrationTests",
      "targets" : [
        "PNGIntegrationTests"
      ],
      "type" : {
        "executable" : null
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    },
    {
      "name" : "PNGCompressionTests",
      "targets" : [
        "PNGCompressionTests"
      ],
      "type" : {
        "executable" : null
      }
    },
    {
      "name" : "LZ77Tests",
      "targets" : [
        "LZ77Tests"
      ],
      "type" : {
        "executable" : null
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    },
    {
      "name" : "StreamingZlib",
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        "StreamingZlib"
      ],
      "type" : {
        "snippet" : null
      }
    },
    {
      "name" : "StreamingGzip",
      "targets" : [
        "StreamingGzip"
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      "type" : {
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    {
      "name" : "BasicGzip",
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        "BasicGzip"
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      "targets" : [
        "CustomColor"
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      "type" : {
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    {
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      "targets" : [
        "ImageMetadata"
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      "type" : {
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    {
      "name" : "ImagesInMemory",
      "targets" : [
        "ImagesInMemory"
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      "type" : {
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    {
      "name" : "iPhoneOptimized",
      "targets" : [
        "iPhoneOptimized"
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      "type" : {
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    {
      "name" : "OnlineDecoding",
      "targets" : [
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    },
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      "name" : "BasicEncoding",
      "targets" : [
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      "type" : {
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      "name" : "Indexing",
      "targets" : [
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  "swift_languages_versions" : [
    "5"
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  "targets" : [
    {
      "c99name" : "PNGTests",
      "module_type" : "SwiftTarget",
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        "Main.Filtering.swift",
        "Main.Premultiplication.swift",
        "Main.swift"
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      "target_dependencies" : [
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      "type" : "executable"
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    {
      "c99name" : "PNGIntegrationTests",
      "module_type" : "SwiftTarget",
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      "sources" : [
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    {
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      "module_type" : "SwiftTarget",
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      "path" : "Sources/PNGInspection",
      "sources" : [
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        "ColorTargets/PNG.VA.swift",
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        "PNG.Image.swift",
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        "Parsing/PNG.Chromaticity.swift",
        "Parsing/PNG.ColorProfile.swift",
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        "Parsing/PNG.PhysicalDimensions.swift",
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        "Parsing/PNG.SignificantBits.swift",
        "Parsing/PNG.SuggestedPalette.Entries.swift",
        "Parsing/PNG.SuggestedPalette.swift",
        "Parsing/PNG.Text.swift",
        "Parsing/PNG.TimeModified.swift",
        "Parsing/PNG.Transparency.Case.swift",
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Done.