code: def GetParserAndPluginNames(cls, parser_filter_expression=None):
      
      parser_and_plugin_names = []
      for parser_name, parser_class in cls.GetParsers(
          parser_filter_expression=parser_filter_expression):
        parser_and_plugin_names.append(parser_name)
  
        if parser_class.SupportsPlugins():
          for plugin_name, _ in parser_class.GetPlugins():
            parser_and_plugin_names.append(
                '{0:s}/{1:s}'.format(parser_name, plugin_name))
  
      return parser_and_plugin_names
docs: Retrieves the parser and parser plugin names.
  
      Args:
        parser_filter_expression (Optional[str]): parser filter expression,
            where None represents all parsers and plugins.
  
      Returns:
        list[str]: parser and parser plugin names.