src/transformers/modeling_tf_utils.py/TFPreTrainedModel/get_lm_head
class TFPreTrainedModel:    def get_lm_head(self) -> tf.keras.layers.Layer:
        """
        The LM Head layer. This method must be overwritten by all the models that have a lm head.

        Return:
            `tf.keras.layers.Layer`: The LM head layer if the model has one, None if not.
        """
        return None