rem: return 0;
add: return AHIE_OK;
context: MethodNew(Class* class, Object* object, struct opSet* msg) {  struct AHIClassBase* AHIClassBase = (struct AHIClassBase*) class->cl_UserData;  struct AHIClassData* AHIClassData = (struct AHIClassData*) INST_DATA(class, object);    MethodUpdate(class, object, (struct opUpdate*) msg);  if (AHIClassData->capacity > 0) {    AHIClassData->data = AllocVec(AHIClassData->capacity,				  MEMF_PUBLIC | MEMF_CLEAR);  }  if (AHIClassData->data == NULL) {    return ERROR_NO_FREE_STORE;  }    return 0;}