OBJC_COLLECT_IF_NEEDED Declarationvar OBJC_COLLECT_IF_NEEDED: Int { get } See AlsoEnumerationsObjCEnumerationImageOBJC_CLEAR_RESIDENT_STACKOBJC_EXHAUSTIVE_COLLECTIONOBJC_FULL_COLLECTIONOBJC_GENERATIONAL_COLLECTIONOBJC_RATIO_COLLECTIONOBJC_SYNC_NOT_OWNING_THREAD_ERROROBJC_SYNC_SUCCESSOBJC_WAIT_UNTIL_DONE