def METHOD_NAME(self, feature: Feature[T]) -> Any:
    """Get the value of a feature"""
    if feature.slice not in self._features or feature.name not in self._features[feature.slice]:
        raise InvalidFeature("Feature should be defined be slices at boot time.")
    if feature.slice not in self._feature_config or feature.name not in self._feature_config[feature.slice]:
        return feature.default_value
    return self._feature_config[feature.slice][feature.name]