Exclude some private @_ attributes

Sources/PublicModules/PADProjectBuilder/SwiftInterfaceProducer/SwiftInterfaceProducer.swift

@@ -119,7 +119,7 @@ extension SwiftInterfaceProducer {
         newProjectDirectoryPath: String,
         oldProjectDirectoryPath: String,
         scheme: String
-    ) async throws -> DerivedDataPaths { // TODO: Typed return type
+    ) async throws -> DerivedDataPaths {
 
         // We don't run them in parallel to not conflict with resolving dependencies concurrently
 

Sources/PublicModules/PADSwiftInterfaceDiff/SwiftInterfaceParser/DeclSyntax+SwiftInterface/DeclSyntax+Convenience.swift

@@ -8,6 +8,25 @@ extension SyntaxCollection {
     }
 }
 
+extension AttributeListSyntax {
+
+    private var excludedAttributes: Set<String> {
+        [
+            "@_hasMissingDesignatedInitializers",
+            "@_inheritsConvenienceInitializers"
+        ]
+    }
+
+    /// Produces a description where all elements in the list are mapped to their `trimmedDescription`
+    var sanitizedList: [String] {
+        self.compactMap {
+            let description = $0.trimmedDescription
+            if excludedAttributes.contains(description) { return nil }
+            return description
+        }
+    }
+}
+
 extension InheritedTypeListSyntax {
 
     /// Produces a description where all elements in the list are mapped to their type's `trimmedDescription`

Tests/IntegrationTests/Resources/expected-reference-changes-swift-interface-private.md

@@ -38,27 +38,27 @@ public protocol SimpleProtocol
 #### 🔀 Changed
 ```javascript
 // From
-@_hasMissingDesignatedInitializers public actor CustomActor
+@_spi(SystemProgrammingInterface) open class OpenSpiConformingClass: ReferencePackage.CustomProtocol
 
 // To
-@_hasMissingDesignatedInitializers public actor CustomActor: ReferencePackage.SimpleProtocol
+@_spi(SystemProgrammingInterface) open class OpenSpiConformingClass<T>: ReferencePackage.CustomProtocol where T : Swift.Strideable
 
 /**
 Changes:
-- Added inheritance `ReferencePackage.SimpleProtocol`
+- Added generic parameter description `<T>`
+- Added generic where clause `where T : Swift.Strideable`
 */
 ```
 ```javascript
 // From
-@_spi(SystemProgrammingInterface) open class OpenSpiConformingClass: ReferencePackage.CustomProtocol
+public actor CustomActor
 
 // To
-@_spi(SystemProgrammingInterface) open class OpenSpiConformingClass<T>: ReferencePackage.CustomProtocol where T : Swift.Strideable
+public actor CustomActor: ReferencePackage.SimpleProtocol
 
 /**
 Changes:
-- Added generic parameter description `<T>`
-- Added generic where clause `where T : Swift.Strideable`
+- Added inheritance `ReferencePackage.SimpleProtocol`
 */
 ```
 ```javascript

Tests/IntegrationTests/Resources/expected-reference-changes-swift-interface-public.md

@@ -38,10 +38,10 @@ public protocol SimpleProtocol
 #### 🔀 Changed
 ```javascript
 // From
-@_hasMissingDesignatedInitializers public actor CustomActor
+public actor CustomActor
 
 // To
-@_hasMissingDesignatedInitializers public actor CustomActor: ReferencePackage.SimpleProtocol
+public actor CustomActor: ReferencePackage.SimpleProtocol
 
 /**
 Changes: