callbacks=callback_router4.routes,
    deprecated=True,
)
router4_default = APIRouter()


@app.get(
    "/override1",
    tags=["path1a", "path1b"],
    responses={
        401: {"description": "Client error level 1"},
        501: {"description": "Server error level 1"},
    },
    deprecated=True,
    callbacks=callback_router1.routes,
    dependencies=[Depends(dep1)],

    * New docs section: [Custom Request and APIRoute class](https://fastapi.tiangolo.com/advanced/custom-request-and-route/).
    * PR [#589](https://github.com/tiangolo/fastapi/pull/589) by [@dmontagu](https://github.com/dmontagu).
* Fix preserving custom route class in routers when including other sub-routers. PR [#538](https://github.com/tiangolo/fastapi/pull/538) by [@dmontagu](https://github.com/dmontagu).

## 0.40.0

  // than a virtual IP.
  // "NodePort" builds on ClusterIP and allocates a port on every node which
  // routes to the same endpoints as the clusterIP.
  // "LoadBalancer" builds on NodePort and creates an external load-balancer
  // (if supported in the current cloud) which routes to the same endpoints
  // as the clusterIP.
  // "ExternalName" aliases this service to the specified externalName.