Fix missing imports when enabling MemberImportVisibility

Add missing imports when compiling with
`.enableUpcomingFeature("MemberImportVisibility")`

Issue: #3301

Author: bkolb

Package.swift

@@ -457,6 +457,14 @@ package.targets.append(
   )
 )
 
+// MARK: - Apply upcoming feature flags to all targets
+
+for target in package.targets {
+  var settings = target.swiftSettings ?? []
+  settings.append(.enableUpcomingFeature("MemberImportVisibility"))
+  target.swiftSettings = settings
+}
+
 // MARK: - Parse build arguments
 
 func hasEnvironmentVariable(_ name: String) -> Bool {

Sources/SwiftCompilerPluginMessageHandling/Diagnostics.swift

@@ -13,9 +13,11 @@
 #if compiler(>=6)
 internal import SwiftDiagnostics
 internal import SwiftSyntax
+internal import SwiftSyntaxMacros
 #else
 import SwiftDiagnostics
 import SwiftSyntax
+import SwiftSyntaxMacros
 #endif
 
 /// Errors in macro handing.

Sources/SwiftIfConfig/IfConfigEvaluation.swift

@@ -13,6 +13,7 @@
 import SwiftDiagnostics
 import SwiftOperators
 @_spi(RawSyntax) import SwiftSyntax
+import SwiftSyntaxBuilder
 
 /// Evaluate the condition of an `#if`.
 /// - Parameters:

Sources/SwiftParserDiagnostics/ParseDiagnosticsGenerator.swift

@@ -11,10 +11,12 @@
 //===----------------------------------------------------------------------===//
 
 #if compiler(>=6)
+internal import SwiftBasicFormat
 public import SwiftDiagnostics
 @_spi(Diagnostics) internal import SwiftParser
 @_spi(ExperimentalLanguageFeatures) public import SwiftSyntax
 #else
+import SwiftBasicFormat
 import SwiftDiagnostics
 @_spi(Diagnostics) import SwiftParser
 @_spi(ExperimentalLanguageFeatures) import SwiftSyntax

Sources/SwiftRefactor/ConvertComputedPropertyToStored.swift

@@ -12,8 +12,10 @@
 
 #if compiler(>=6)
 public import SwiftSyntax
+public import SwiftSyntaxBuilder
 #else
 import SwiftSyntax
+import SwiftSyntaxBuilder
 #endif
 
 public struct ConvertComputedPropertyToStored: SyntaxRefactoringProvider {

Sources/SwiftRefactor/ConvertStoredPropertyToComputed.swift

@@ -12,8 +12,10 @@
 
 #if compiler(>=6)
 public import SwiftSyntax
+public import SwiftSyntaxBuilder
 #else
 import SwiftSyntax
+import SwiftSyntaxBuilder
 #endif
 
 public struct ConvertStoredPropertyToComputed: SyntaxRefactoringProvider {

Sources/SwiftRefactor/ConvertZeroParameterFunctionToComputedProperty.swift

@@ -13,9 +13,11 @@
 #if compiler(>=6)
 public import SwiftSyntax
 import SwiftBasicFormat
+import SwiftSyntaxBuilder
 #else
 import SwiftSyntax
 import SwiftBasicFormat
+import SwiftSyntaxBuilder
 #endif
 
 public struct ConvertZeroParameterFunctionToComputedProperty: SyntaxRefactoringProvider {

Sources/SwiftRefactor/PackageManifest/ManifestSyntaxRepresentable.swift

@@ -11,6 +11,7 @@
 //===----------------------------------------------------------------------===//
 
 import SwiftSyntax
+import SwiftSyntaxBuilder
 
 /// Describes an entity in the package model that can be represented as
 /// a syntax node.

Sources/SwiftRefactor/PackageManifest/PackageTarget.swift

@@ -11,6 +11,7 @@
 //===----------------------------------------------------------------------===//
 
 import SwiftSyntax
+import SwiftSyntaxBuilder
 
 /// Syntactic wrapper type that describes a target for refactoring
 /// purposes but does not interpret its contents.

Sources/SwiftRefactor/PackageManifest/ProductDescription.swift

@@ -11,6 +11,7 @@
 //===----------------------------------------------------------------------===//
 
 import SwiftSyntax
+import SwiftSyntaxBuilder
 
 /// Syntactic wrapper type that describes a product for refactoring
 /// purposes but does not interpret its contents.