Fix build warnings

Sources/SwiftFormat/PrettyPrint/TokenStreamCreator.swift

@@ -527,9 +527,9 @@ fileprivate final class TokenStreamCreator: SyntaxVisitor {
   /// Arranges the `async` and `throws` effect specifiers of a function or accessor declaration.
   private func arrangeEffectSpecifiers<Node: EffectSpecifiersSyntax>(_ node: Node) {
     before(node.asyncSpecifier, tokens: .break)
-    before(node.throwsSpecifier, tokens: .break)
+    before(node.throwsClause?.throwsSpecifier, tokens: .break)
     // Keep them together if both `async` and `throws` are present.
-    if let asyncSpecifier = node.asyncSpecifier, let throwsSpecifier = node.throwsSpecifier {
+    if let asyncSpecifier = node.asyncSpecifier, let throwsSpecifier = node.throwsClause?.throwsSpecifier {
       before(asyncSpecifier, tokens: .open)
       after(throwsSpecifier, tokens: .close)
     }
@@ -2302,9 +2302,11 @@ fileprivate final class TokenStreamCreator: SyntaxVisitor {
 
   override func visit(_ node: AttributedTypeSyntax) -> SyntaxVisitorContinueKind {
     arrangeAttributeList(node.attributes)
-    after(
-      node.specifier,
-      tokens: .break(.continue, newlines: .elective(ignoresDiscretionary: true)))
+    for specifier in node.specifiers {
+      after(
+        specifier.firstToken(viewMode: .sourceAccurate),
+        tokens: .break(.continue, newlines: .elective(ignoresDiscretionary: true)))
+    }
     return .visitChildren
   }
 

Sources/SwiftFormat/Rules/UseSynthesizedInitializer.swift

@@ -36,7 +36,7 @@ public final class UseSynthesizedInitializer: SyntaxLintRule {
         // Collect any possible redundant initializers into a list
       } else if let initDecl = member.as(InitializerDeclSyntax.self) {
         guard initDecl.optionalMark == nil else { continue }
-        guard initDecl.signature.effectSpecifiers?.throwsSpecifier == nil else { continue }
+        guard initDecl.signature.effectSpecifiers?.throwsClause == nil else { continue }
         initializers.append(initDecl)
       }
     }

Sources/SwiftFormat/Rules/ValidateDocumentationComments.swift

@@ -62,7 +62,7 @@ public final class ValidateDocumentationComments: SyntaxLintRule {
     }
 
     validateThrows(
-      signature.effectSpecifiers?.throwsSpecifier,
+      signature.effectSpecifiers?.throwsClause?.throwsSpecifier,
       name: name,
       throwsDescription: docComment.throws,
       node: node)

Sources/generate-swift-format/FileGenerator.swift

@@ -35,7 +35,7 @@ extension FileGenerator {
   }
 }
 
-extension FileHandle: TextOutputStream {
+extension FileHandle {
   /// Writes the provided string as data to a file output stream.
   public func write(_ string: String) {
     guard let data = string.data(using: .utf8) else { return }