@interface DYFutureOperation : DYFuture { id /* block */ _block; } + (id)operationWithBlock:(id /* block */)a0; - (BOOL)isExecuting; - (void)dealloc; - (void)start; - (BOOL)isFinished; - (id)dependencies; - (void)addDependency:(id)a0; - (void)_start_NOLOCK; @end