text: #ifndef __KFK_RECORDBATCH_H__
  #define __KFK_RECORDBATCH_H__
  
  #pragma once
  
  class RecordBatch
  {
  public:
  	static const char MAGIC_VALUE_V0 = 0;
  	static const char MAGIC_VALUE_V1 = 1;
  	static const char MAGIC_VALUE_V2 = 2;
  
  	static const char CURRENT_MAGIC_VALUE = MAGIC_VALUE_V2;
  
  	static const int NO_PARTITION_LEADER_EPOCH = -1;
  };
  
  #endif // !__KFK_RECORDBATCH_H__
  