@protocol CKFetchUserQuotaOperationCallbacks; @interface CKDFetchUserQuotaOperation : CKDDatabaseOperation @property (nonatomic) unsigned long long quotaAvailable; @property (retain, nonatomic) id<CKFetchUserQuotaOperationCallbacks> clientOperationCallbackProxy; - (id)initWithOperationInfo:(id)a0 container:(id)a1; - (int)operationType; - (id)activityCreate; - (void)main; @end