@class EDInMemoryThreadQueryHandler, EDPrecomputedThreadQueryHandler, EMObjectID, EDThreadMigrator; @interface _EDThreadQueryUnderlyingHandlers : NSObject @property (retain, nonatomic) EMObjectID *inMemoryObservationID; @property (retain, nonatomic) EMObjectID *precomputedObservationID; @property (retain, nonatomic) EDInMemoryThreadQueryHandler *inMemoryQueryHandler; @property (retain, nonatomic) EDPrecomputedThreadQueryHandler *precomputedQueryHandler; @property (retain, nonatomic) EDThreadMigrator *threadMigrator; - (void).cxx_destruct; - (BOOL)_isCurrentObservationToken:(id)a0; @end