mutableCopy method

Implementation

objc.ObjCObjectBase mutableCopy() {
  objc.checkOsVersionInternal(
    'NSObject.mutableCopy',
    iOS: (false, (2, 0, 0)),
    macOS: (false, (10, 0, 0)),
  );
  final _ret = _objc_msgSend_151sglz(this.ref.pointer, _sel_mutableCopy);
  return objc.ObjCObjectBase(_ret, retain: false, release: true);
}