isEqual method
isEqual:
Implementation
bool isEqual(objc.ObjCObjectBase object) {
  return _objc_msgSend_19nvye5(
    this.ref.pointer,
    _sel_isEqual_,
    object.ref.pointer,
  );
}
isEqual:
bool isEqual(objc.ObjCObjectBase object) {
  return _objc_msgSend_19nvye5(
    this.ref.pointer,
    _sel_isEqual_,
    object.ref.pointer,
  );
}