addBarrierBlock_ method
Implementation
void addBarrierBlock_(ObjCBlock_ffiVoid barrier) {
_lib._objc_msgSend_531(_id, _lib._sel_addBarrierBlock_1, barrier._id);
}
void addBarrierBlock_(ObjCBlock_ffiVoid barrier) {
_lib._objc_msgSend_531(_id, _lib._sel_addBarrierBlock_1, barrier._id);
}