predicate property

Implementation

NSPredicate get predicate {
objc.checkOsVersionInternal('NSExpression.predicate', iOS: (false, (3, 0, 0)), macOS: (false, (10, 5, 0)));
  final _ret = _objc_msgSend_151sglz(this.ref.pointer, _sel_predicate);
  return NSPredicate.castFromPointer(_ret, retain: true, release: true);
}