docs: public static long map(
          final FileChannel fileChannel, final FileChannel.MapMode mode, final long offset, final long length)
      {
          try
          {
              return (long)MappingMethods.MAP_ADDRESS.invoke(fileChannel, getMode(mode), offset, length);
          }
          catch (final IllegalAccessException | InvocationTargetException ex)
          {
              LangUtil.rethrowUnchecked(ex);
          }
  
          return 0;
      }