@interface BLSDesiredFidelityRequest : NSObject { id /* block */ _completion; struct os_unfair_lock_s { unsigned int _os_unfair_lock_opaque; } _lock; BOOL _lock_completed; } - (id)initWithCompletion:(id /* block */)a0; - (void).cxx_destruct; - (void)completeWithDesiredFidelity:(long long)a0; @end