src/transformers/models/longformer/modeling_tf_longformer.py/TFLongformerForMaskedLM/get_prefix_bias_name
class TFLongformerForMaskedLM:    def get_prefix_bias_name(self):
        warnings.warn("The method get_prefix_bias_name is deprecated. Please use `get_bias` instead.", FutureWarning)
        return self.name + "/" + self.lm_head.name