def _is_command(self, value: str) -> bool:
        """Is the given string a known command?

        Args:
            value: The value to check.

        Returns:
            `True` if the string is a known command, `False` if not.
        """
        command, *_ = self._split_command(value)
        return (
            getattr(self, f"command_{self._ALIASES.get(command, command)}", None)
            is not None
        )
Is the given string a known command?

        Args:
            value: The value to check.

        Returns:
            `True` if the string is a known command, `False` if not.
        
frogmouth/widgets/omnibox.py