// Copyright (C) 2017 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package com.google.gerrit.server.git.receive;

import com.google.gerrit.common.UsedAt;

/**
 * Interface used by {@link ReceiveCommits} for send messages over the wire during {@code
 * receive-pack}.
 */
@UsedAt(UsedAt.Project.GOOGLE)
public interface MessageSender {
  void sendMessage(String what);

  void sendError(String what);

  void sendBytes(byte[] what);

  void sendBytes(byte[] what, int off, int len);

  void flush();
}
