text: #include <gmock/gmock.h>
  
  #include <list>
  #include <string>
  #include <vector>
  
  #include "src/metafs/mvm/volume/mf_extent.h"
  
  namespace pos
  {
  class MockMetaFileExtent : public MetaFileExtent
  {
  public:
      using MetaFileExtent::MetaFileExtent;
  };
  
  } // namespace pos
  