code: def get_dense_layer_registries():
      dense_registry = layer_registry.LayerRegistry()
      dense_registry.insert(
          tf.keras.layers.Dense, dense.dense_layer_computation
      )
      return {
          "dense_only": dense_registry,
          "default": layer_registry.make_default_layer_registry(),
      }
  
file_path: privacy/tensorflow_privacy/privacy/fast_gradient_clipping/registry_functions/dense_test.py
imports: from absl.testing import parameterized
  import tensorflow
  from tensorflow_privacy.privacy.fast_gradient_clipping import common_test_utils
  from tensorflow_privacy.privacy.fast_gradient_clipping import layer_registry
  from tensorflow_privacy.privacy.fast_gradient_clipping.registry_functions import dense
label_desc: Use image node_id 3 for calling a global function with example usage: get_dense_layer_registries() and returns: dict