def METHOD_NAME(self, msgids_or_symbols: Sequence[str]) -> None:
    """Display help messages for the given message identifiers."""
    for msgids_or_symbol in msgids_or_symbols:
        try:
            for message_definition in self.get_message_definitions(
                msgids_or_symbol
            ):
                print(message_definition.format_help(checkerref=True))
                print("")
        except UnknownMessageError as ex:
            print(ex)
            print("")
            continue