src/transformers/models/layoutlmv3/modeling_tf_layoutlmv3.py/TFLayoutLMv3MainLayer/calculate_visual_bbox
class TFLayoutLMv3MainLayer:    def calculate_visual_bbox(self, batch_size: int, dtype: tf.DType):
        visual_bbox = tf.expand_dims(self.visual_bbox, axis=0)
        visual_bbox = tf.tile(visual_bbox, [batch_size, 1, 1])
        visual_bbox = tf.cast(visual_bbox, dtype=dtype)
        return visual_bbox