content: package com.alibaba.datax.plugin.reader.opentsdbreader;
  
  //This file is part of OpenTSDB.
  
  //Copyright (C) 2010-2012  The OpenTSDB Authors.
  //Copyright（C）2019 Alibaba Group Holding Ltd.
  
  //
  
  //This program is free software: you can redistribute it and/or modify it
  
  //under the terms of the GNU Lesser General Public License as published by
  
  //the Free Software Foundation, either version 2.1 of the License, or (at your
  
  //option) any later version.  This program is distributed in the hope that it
  
  //will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty
  
  //of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser
  
  //General Public License for more details.  You should have received a copy
  
  //of the GNU Lesser General Public License along with this program.  If not,
  
  //see <http://www.gnu.org/licenses/>.
  public class Key {
  
      static final String ENDPOINT = "endpoint";
      static final String COLUMN = "column";
      static final String BEGIN_DATE_TIME = "beginDateTime";
      static final String END_DATE_TIME = "endDateTime";
  }
  