     - returns: Type name string if successful.
     */
     internal static func getTypeName(dictionary: XPCDictionary) -> String? {
-        return SwiftDocKey.get(.TypeName, dictionary)
+        return get(.TypeName, dictionary)
     }
 
     /**

    - returns: Annotated declaration string if successful.
    */
    internal static func getAnnotatedDeclaration(dictionary: XPCDictionary) -> String? {
        return SwiftDocKey.get(.AnnotatedDeclaration, dictionary)
    }

    /**

    - returns: Substructure array if successful.
    */
    internal static func getSubstructure(dictionary: XPCDictionary) -> XPCArray? {
        return get(.Substructure, dictionary)
    }

    /**
