src/transformers/models/data2vec/modeling_tf_data2vec_vision.py/TFData2VecVisionRelativePositionBias/build
class TFData2VecVisionRelativePositionBias:    def build(self, input_shape):
        self.relative_position_bias_table = self.add_weight(
            shape=(self.num_relative_distance, self.config.num_attention_heads),
            initializer="zeros",
            trainable=True,
            name="relative_position_bias_table",
        )  # [2*Wh-1 * 2*Ww-1, nH]
        # cls to token & token 2 cls & cls to cls

        super().build(input_shape)