@class BRCAsyncDirectoryEnumerator, NSString, BRCFairSource, NSMutableSet, BRCCountedSet, NSObject, brc_task_tracker;
@protocol OS_dispatch_group, OS_dispatch_source;

@interface BRCFSReader : BRCFSSchedulerBase <BRCModule, BRCSuspendable, BRCFSEventsDelegate> {
    BRCCountedSet *_coordinatedReaders;
    BOOL _readerCountReachedMax;
    BRCAsyncDirectoryEnumerator *_currentScan;
    NSMutableSet *_lostSet;
    BRCFairSource *_lostScanSource;
    NSObject<OS_dispatch_source> *_lostScanDelay;
    struct { unsigned long long sectionID; char *function; int line; } _lostScanDelaySection;
    BOOL _resumed;
    unsigned long long _lostItemCountUnderUnknownParent;
}

@property (readonly, nonatomic) NSObject<OS_dispatch_group> *lostScanGroup;
@property (readonly, nonatomic) brc_task_tracker *taskTracker;
@property (readonly) unsigned long long hash;
@property (readonly) Class superclass;
@property (readonly, copy) NSString *description;
@property (readonly, copy) NSString *debugDescription;
@property (readonly, nonatomic) BOOL isCancelled;

- (void)_close;
- (void)reset;
- (void)dealloc;
- (void)suspend;
- (void)schedule;
- (void)resume;
- (void).cxx_destruct;
- (id)initWithAccountSession:(id)a0;
- (void)cancel;
- (void)_delayJobID:(id)a0 by:(double)a1;
- (void)fseventOnDocument:(id)a0 flags:(unsigned int)a1 lookup:(id)a2;
- (void)scanContainerDocumentsIfNeeded:(id)a0;
- (void)_attemptSchedulingCoordinatedReadForItem:(id)a0 path:(id)a1;
- (unsigned long long)_backoffBeforeProcessingLostItemWithStamp:(unsigned long long)a0 appLibrary:(id)a1;
- (void)_cancelScan;
- (BOOL)_createSharedZoneIfNecessaryWithLookup:(id)a0;
- (void)_didResolvedDocumentID:(unsigned int)a0 fileID:(unsigned long long)a1 zone:(id)a2;
- (BOOL)_fetchNextLostItemID:(id *)a0 parentID:(id *)a1 appLibraryRowID:(id *)a2 tooManyScans:(BOOL *)a3 stamp:(long long *)a4;
- (void)_finishCurrentRelpathScan;
- (void)_finishedScanWithError:(int)a0;
- (void)_fseventOnDocument:(id)a0 flags:(unsigned int)a1 options:(unsigned long long)a2 item:(id)a3 lookup:(id)a4 unresolvedLastPathComponent:(id)a5;
- (void)_lostScanSchedule;
- (id)_nextLostItemIDWithBackoff:(long long *)a0 appLibrary:(id *)a1 now:(long long)a2;
- (void)_processDeadItem:(id)a0;
- (void)_processLostItem:(id)a0;
- (void)_processLostItem:(id)a0 resolvedToPath:(id)a1;
- (unsigned long long)_readCoordinationCount;
- (void)_recoverFromUnknownParentLoopAtPath:(id)a0;
- (void)_refaultItem:(id)a0 withFaultPath:(id)a1;
- (void)_resolveDocumentID:(unsigned int)a0 zone:(id)a1;
- (void)_scanDirectory:(id)a0 atPath:(id)a1 lookup:(id)a2;
- (void)_scanDone:(id)a0 atPath:(id)a1 lookup:(id)a2;
- (void)_scheduleCoordinatedReadForItem:(id)a0 path:(id)a1;
- (void)_scheduleReadJobWithID:(id)a0;
- (BOOL)_slowScanDirectoryAtPath:(id)a0;
- (void)_startScanOfRegularAppLibrary:(id)a0;
- (void)_startScanOfRelpath:(id)a0;
- (BOOL)canRetryJobWithID:(id)a0;
- (BOOL)canScheduleMoreJobs;
- (void)createReadingJobForItem:(id)a0 state:(int)a1;
- (void)deleteReadingJobForItem:(id)a0;
- (id)descriptionForItem:(id)a0 context:(id)a1;
- (void)endReadCoordinationInAppLibrary:(id)a0;
- (void)fseventAtPath:(id)a0 flags:(unsigned int)a1;
- (void)fseventAtPath:(id)a0 flags:(unsigned int)a1 options:(unsigned long long)a2 unresolvedLastPathComponent:(id)a3;
- (void)fseventAtPath:(id)a0 flags:(unsigned int)a1 unresolvedLastPathComponent:(id)a2;
- (void)fseventOnAlias:(id)a0 flags:(unsigned int)a1 lookup:(id)a2;
- (void)fseventOnContainer:(id)a0 flags:(unsigned int)a1;
- (void)fseventOnDeadPath:(id)a0 item:(id)a1;
- (void)fseventOnDirectory:(id)a0 flags:(unsigned int)a1 lookup:(id)a2;
- (void)fseventOnDocument:(id)a0 flags:(unsigned int)a1 options:(unsigned long long)a2 lookup:(id)a3;
- (void)fseventOnDocument:(id)a0 flags:(unsigned int)a1 options:(unsigned long long)a2 lookup:(id)a3 unresolvedLastPathComponent:(id)a4;
- (void)fseventOnRoot:(id)a0 flags:(unsigned int)a1;
- (void)fseventOnSymlink:(id)a0 flags:(unsigned int)a1 lookup:(id)a2;
- (void)fseventOnURL:(id)a0 dbFlags:(unsigned int)a1;
- (void)fseventRecursiveAtRoot:(id)a0 withReason:(id)a1;
- (id)itemForCreatedDocumentsDirectory:(id)a0 appLibrary:(id)a1 path:(id)a2;
- (id)lookupAndReadItemUnderCoordinationAtURL:(id)a0;
- (char)needsLookupReloadAfterHandlingCrossZoneMoveWithItem:(id)a0 relpath:(id)a1;
- (void)readUnderCoordinationAtURL:(id)a0;
- (BOOL)readUnderCoordinationWithLookup:(id)a0;
- (unsigned int)recoverAndReportMissingJobs;
- (void)scheduleAppLibraryForLostScan:(id)a0;
- (void)setState:(int)a0 forItem:(id)a1;
- (BOOL)startReadCoordinationInAppLibrary:(id)a0;
- (BOOL)thumbnailChangedForItem:(id)a0 relpath:(id)a1 url:(id)a2 error:(id *)a3;
- (void)unscheduleAppLibraryForLostScan:(id)a0;
- (BOOL)updateLookupAfterHandlingPathMatchWithFSRoot:(id *)a0 relpath:(id *)a1;

@end