code: @Nonnull
    public static FileSystemResource getResource (@Nonnull final IUserDataObject aUDO)
    {
      ValueEnforcer.notNull (aUDO, "UDO");
  
      return _getFileIO ().getResource (getUserDataPath () + aUDO.getPath ());
    }
docs: Get the file system resource of the passed UDO object.
  
  @param aUDO
  The UDO object to get the resource from.
  @return The matching file system resource. No check is performed, whether
  the resource exists or not!