initPrototypeMethod

fun initPrototypeMethod(tag: Any?, id: Int, name: String, arity: Int): IdFunctionObject
fun initPrototypeMethod(tag: Any?, id: Int, propertyName: String, functionName: String?, arity: Int): IdFunctionObject
fun initPrototypeMethod(tag: Any?, id: Int, key: Symbol, functionName: String, arity: Int): IdFunctionObject
fun initPrototypeMethod(tag: Any?, id: Int, key: Symbol, functionName: String, arity: Int, attributes: Int): IdFunctionObject