createPropertySignature

abstract fun createPropertySignature(    modifiers: <Error class: unknown class><Modifier>?,     name: PropertyName,     questionToken: QuestionToken?,     type: TypeNode?): PropertySignature(source)
abstract fun createPropertySignature(    modifiers: <Error class: unknown class><Modifier>?,     name: String,     questionToken: QuestionToken?,     type: TypeNode?): PropertySignature(source)