src/transformers/models/xlm_prophetnet/modeling_xlm_prophetnet.py/XLMProphetNetForConditionalGeneration/prepare_decoder_input_ids_from_labels
class XLMProphetNetForConditionalGeneration:    def prepare_decoder_input_ids_from_labels(self, labels: torch.Tensor):
        return self._shift_right(labels)