content: /*
   * Copyright 1999-2018 Alibaba Group Holding Ltd.
   *
   * 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.alibaba.csp.sentinel.command;
  
  /**
   * @author Eric Zhao
   * @since 1.4.1
   */
  public final class CommandConstants {
  
      public static final String VERSION_COMMAND = "version";
  
      public static final String MSG_INVALID_COMMAND = "Invalid command";
      public static final String MSG_UNKNOWN_COMMAND_PREFIX = "Unknown command";
  
      public static final String MSG_SUCCESS = "success";
      public static final String MSG_FAIL = "failed";
  
      private CommandConstants() {}
  }
  