code: def _get_din_layer(self):
      return layers.DocumentInteractionAttention(
          num_heads=self._num_heads,
          head_size=self._head_size,
          num_layers=self._num_layers,
          dropout=self._dropout,
      )
  
imports: import tensorflow
  from tensorflow_ranking.python.keras import layers
label_desc: Use image node_id 2 for calling the DocumentInteractionAttentionLayerTest obj's underlying member method code with example usage: obj._get_din_layer() and returns: layers