    def used_param_names(self) -> List[str]:
        """
        The names of the corresponding parameters in `self.used_params`.

        !!! Note
            Accessing this property requires calling `self._gather_train_instances_and_compute_gradients()`
            if it hasn't been called yet, which may take several minutes.
        """
        if self._used_param_names is None:
            self._gather_train_instances_and_compute_gradients()
        assert self._used_param_names is not None
        return self._used_param_names
The names of the corresponding parameters in `self.used_params`.

!!! Note
Accessing this property requires calling `self._gather_train_instances_and_compute_gradients()`
if it hasn't been called yet, which may take several minutes.
allennlp/interpret/influence_interpreters/influence_interpreter.py