Mark the literal pattern API as SPI

Author: natecook1000

Sources/RegexBuilder/DSL.swift

@@ -535,7 +535,7 @@ extension _RegexFactory {
     _ left: some RegexComponent,
     ignoringOutputTypeOf right: some RegexComponent
   ) -> Regex<Output> {
-    if #available(macOS 9999, iOS 9999, watchOS 9999, tvOS 9999, *) {
+    if #available(macOS 14.0, iOS 9999, watchOS 9999, tvOS 9999, *) {
       return accumulate(left, ignoreCapturesInTypedOutput(right))
     }
     return accumulate(left, right)
@@ -549,7 +549,7 @@ extension _RegexFactory {
     ignoringOutputTypeOf left: some RegexComponent,
     _ right: some RegexComponent
   ) -> Regex<Output> {
-    if #available(macOS 9999, iOS 9999, watchOS 9999, tvOS 9999, *) {
+    if #available(macOS 14.0, iOS 9999, watchOS 9999, tvOS 9999, *) {
       return accumulate(ignoreCapturesInTypedOutput(left), right)
     }
     return accumulate(left, right)
@@ -563,7 +563,7 @@ extension _RegexFactory {
     ignoringOutputTypeOf left: some RegexComponent,
     andAlso right: some RegexComponent
   ) -> Regex<Output> {
-    if #available(macOS 9999, iOS 9999, watchOS 9999, tvOS 9999, *) {
+    if #available(macOS 14.0, iOS 9999, watchOS 9999, tvOS 9999, *) {
       return accumulate(
         ignoreCapturesInTypedOutput(left), ignoreCapturesInTypedOutput(right))
     }

Sources/_StringProcessing/LiteralPrinter.swift

@@ -23,7 +23,7 @@ extension Regex {
   /// protocol, this property is `nil`.
   ///
   /// The value of this property may change between different releases of Swift.
-  // TODO: SPI
+  @_spi(LiteralPattern)
   public var _literalPattern: String? {
     var gen = LiteralPrinter(options: MatchingOptions())
     gen.outputNode(self.program.tree.root)

Tests/RegexTests/LiteralPrinterTests.swift

@@ -10,6 +10,7 @@
 //===----------------------------------------------------------------------===//
 
 import XCTest
+@_spi(LiteralPattern)
 import _StringProcessing
 import RegexBuilder
 

Tests/RegexTests/MatchTests.swift

@@ -11,7 +11,7 @@
 
 import XCTest
 @testable import _RegexParser
-@testable @_spi(RegexBenchmark) import _StringProcessing
+@testable @_spi(RegexBenchmark) @_spi(LiteralPattern) import _StringProcessing
 import TestSupport
 
 struct MatchError: Error {