createSourceFile

external fun createSourceFile(    fileName: String,     sourceText: String,     languageVersionOrOptions: ScriptTarget,     setParentNodes: Boolean = definedExternally,     scriptKind: ScriptKind = definedExternally): SourceFile(source)
external fun createSourceFile(    fileName: String,     sourceText: String,     languageVersionOrOptions: CreateSourceFileOptions,     setParentNodes: Boolean = definedExternally,     scriptKind: ScriptKind = definedExternally): SourceFile(source)