code: def parse(self, data):
          # type: (bytes) -> None
          '''
          Parse the passed in data into a UDF Logical Volume Header Descriptor.
  
          Parameters:
           data - The data to parse.
          Returns:
           Nothing.
          '''
          if self._initialized:
              raise pycdlibexception.PyCdlibInternalError('UDF Logical Volume Header Descriptor already initialized')
          (self.unique_id, reserved_unused) = struct.unpack_from(self.FMT, data, 0)
  
          self._initialized = Truf parse(self, data):
          # type: (bytes) -> None
          '''
          Parse the passed in data into a UDF Logical Volume Header Descriptor.
  
          Parameters:
           data - The data to parse.
          Returns:
           Nothing.
          '''
          if self._initialized:
              raise pycdlibexception.PyCdlibInternalError('UDF Logical Volume Header Descriptor already initialized')
          (self.unique_id, reserved_unused) = struct.unpack_from(self.FMT, data, 0)
  
          self._initialized = True
docs: Parse the passed in data into a UDF Logical Volume Header Descriptor.
  
          Parameters:
           data - The data to parse.
          Returns:
           Nothing.