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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 org.apache.hadoop.fs;

/**
 * An identical copy from org.apache.hadoop.hdfs.protocol.HdfsConstants.SafeModeAction, that helps
 * the other file system implementation to define {@link SafeMode}.
 */
public enum SafeModeAction {
  /**
   * Starting entering into safe mode.
   */
  ENTER,
  /**
   * Gracefully exit from safe mode.
   */
  LEAVE,
  /**
   * Force Exit from safe mode.
   */
  FORCE_EXIT,
  /**
   * Get the status of the safe mode.
   */
  GET;
}