host.
                                  properties:
                                    action:
                                      description: |-
                                        Match a route with specific action type.

                                        Valid Options: ANY, ROUTE, REDIRECT, DIRECT_RESPONSE
                                      enum:

                                    host.
                                  properties:
                                    action:
                                      description: |-
                                        Match a route with specific action type.

                                        Valid Options: ANY, ROUTE, REDIRECT, DIRECT_RESPONSE
                                      enum:

        `StatsAggregator`. Add nested option, `experimental_stats` (which takes
        a `tf.data.experimen tal.StatsOptions` object), to `tf.data.Options`.
        Deprecates `tf.data.experimental.set_stats_agregator`.
    *   Performance optimizations:
    *   Add `tf.data.experimental.OptimizationOptions()`, to configure options
        to enable `tf.data` performance optimizations. Add nested option,