Now use the parameter `callbacks` in *your API's path operation decorator* to pass the attribute `.routes` (that's actually just a `list` of routes/*path operations*) from that callback router:

```Python hl_lines="35"
{!../../../docs_src/openapi_callbacks/tutorial001.py!}
```

!!! tip

* `dependencies`: to include ✨ router-level dependencies ✨ that apply to all the *path operations* in a router. Up to now, this was only possible with `include_router`.
* `callbacks`: OpenAPI callbacks that apply to all the *path operations* in this router.

*   Added `tf.keras.layers.SpectralNormalization` layer wrapper to perform spectral normalization on the weights of a target layer.

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# OWNER_LIST: Brian.Norman
# OWNER_LIST: Sergej.Jaskiewicz
# OWNER_LIST: Wojciech.Litewka
# Kotlin Libraries
# OWNER_LIST: A.Qurbonzoda Vsevolod.Tolstopyato Ilya.Gorbunov Sergey.Shanshin Leonid.Startsev Filipp.Zhinkin

# Fallback rule, must always be top
* Kotlin

/.idea/ "Kotlin Build Infrastructure"
/.idea/kotlinTestDataPluginTestDataPaths.xml Dmitriy.Novozhilov Kirill.Rakhman Sergej.Jaskiewicz

/.fleet/ "Kotlin Build Infrastructure"

low/compiler/mlir/tfrt/transforms/mlrt,tensorflow/core/runtime_fallback,tensorflow/core/runtime_fallback/conversion,tensorflow/core/runtime_fallback/kernel,tensorflow/core/runtime_fallback/opdefs,tensorflow/core/runtime_fallback/runtime,tensorflow/core/runtime_fallback/util,tensorflow/core/runtime_fallback/test,tensorflow/core/runtime_fallback/test/gpu,tensorflow/core/runtime_fallback/test/saved_model,tensorflow/core/runtime_fallback/test/testdata,tensorflow/core/tfrt/stubs,tensorflow/core/tfrt/...

 * [declaration provider][org.jetbrains.kotlin.analysis.providers.KotlinDeclarationProvider].
 *
 * Since this fallback is not suitable for symbols from binary libraries in Standalone mode, the symbol names provider absolutely needs to
 * work there. This functionality is covered by package scope tests.
 */

    )

    taskFaker.assertNoMoreTasks()
  }

  /**
   * This test puts several connections in flight that all fail at approximately the same time. It
   * confirms the fast fallback implements these invariants:
   *
   *  * if there's no TCP connect in flight, start one.
   *  * don't start a new TCP connect within 250 ms of the previous TCP connect.
   */
  @Test