@class NSArray, NSMutableOrderedSet, ARFrameContext, NSMutableSet; @interface ARFrameContextHandler : NSObject { NSMutableOrderedSet *_inFlightContexts; ARFrameContext *_mostRecentInFlightContext; NSMutableOrderedSet *_anchorsToAdd; NSMutableOrderedSet *_anchorsToRemove; NSMutableOrderedSet *_anchorsToStopTracking; BOOL _sessionTransformReset; NSMutableSet *_collaborationDatas; } @property (nonatomic) struct { void /* unknown type, empty encoding */ columns[4]; } sessionTransform; @property (readonly, nonatomic) BOOL sessionTransformUpdated; @property (readonly, nonatomic) NSArray *anchorsToAdd; - (void)addAnchor:(id)a0; - (id)init; - (void)stopTrackingAnchors:(id)a0; - (void)resetSessionTransform; - (void)clearInFlightContextsReapplyingChanges; - (void)removeAnchor:(id)a0; - (void)markFrameContextProcessed:(id)a0; - (void)addCollaborationData:(id)a0; - (id)createdContextByConsumingPendingChanges; - (void).cxx_destruct; - (void)clearAddedAnchors; @end