code: def _ReadLayoutDataTypeDefinition(
        self, definitions_registry, definition_values, data_type_definition_class,
        definition_name, supported_definition_values):
      
      return self._ReadDataTypeDefinition(
          definitions_registry, definition_values, data_type_definition_class,
          definition_name, supported_definition_values)
docs: Reads a layout data type definition.
  
      Args:
        definitions_registry (DataTypeDefinitionsRegistry): data type definitions
            registry.
        definition_values (dict[str, object]): definition values.
        data_type_definition_class (str): data type definition class.
        definition_name (str): name of the definition.
        supported_definition_values (set[str]): names of the supported definition
            values.
  
      Returns:
        LayoutDataTypeDefinition: layout data type definition.
  
      Raises:
        DefinitionReaderError: if the definitions values are missing or if
            the format is incorrect.