// Copyright (C) 2013 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.extensions.client;

/** Output options available when using {@code /groups/} RPCs. */
public enum ListGroupsOption implements ListOption {
  /** Return information on the direct group members. */
  MEMBERS(0),

  /** Return information on the directly included groups. */
  INCLUDES(1);

  private final int value;

  ListGroupsOption(int v) {
    this.value = v;
  }

  @Override
  public int getValue() {
    return value;
  }
}
