@class NSArray, NSMutableArray; @interface HMDMessageFilterChain : HMFObject { struct os_unfair_lock_s { unsigned int _os_unfair_lock_opaque; } _lock; NSMutableArray *_filters; } @property (readonly, copy, nonatomic) NSArray *filters; - (id)init; - (void).cxx_destruct; - (BOOL)acceptMessage:(id)a0 error:(id *)a1; - (void)addMessageFilter:(id)a0; - (void)removeMessageFilter:(id)a0; - (void)resetConfiguration:(id)a0 completionHandler:(id /* block */)a1; - (BOOL)shouldCloudSyncData; @end