async def METHOD_NAME(self) -> None:
    """Delete all stored values in the virtual key namespace.
    Raises:
        ImproperlyConfiguredException: If no namespace was configured
    """
    if not self.namespace:
        raise ImproperlyConfiguredException("Cannot perform delete operation: No namespace configured")
    await self._delete_all_script(keys=[], args=[f"{self.namespace}*:*"])