    void run(OperationContext* opCtx, rpc::ReplyBuilderInterface* result) override {
        BSONObjBuilder bob = result->getBodyBuilder();
        bool ok = _command->run(opCtx, _dbName, _request->body, bob);
        if (!ok)
            CommandHelpers::appendSimpleCommandStatus(bob, ok);
    }
    void run(OperationContext* opCtx, rpc::ReplyBuilderInterface* result) override {
        BSONObjBuilder bob = result->getBodyBuilder();
        bool ok = _command->run(opCtx, _dbName, _request->body, bob);
        if (!ok)
            CommandHelpers::appendSimpleCommandStatus(bob, ok);
    }