@java.lang.Override
    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
        internalGetFieldAccessorTable() {
      return com.google.cloud.tasks.v2beta3.TargetProto
          .internal_static_google_cloud_tasks_v2beta3_AppEngineRouting_fieldAccessorTable
          .ensureFieldAccessorsInitialized(
              com.google.cloud.tasks.v2beta3.AppEngineRouting.class,
              com.google.cloud.tasks.v2beta3.AppEngineRouting.Builder.class);
    }
<pre>
App Engine Routing.

Defines routing characteristics specific to App Engine - service, version,
and instance.

For more information about services, versions, and instances see
[An Overview of App
Engine](https://cloud.google.com/appengine/docs/python/an-overview-of-app-engine),
[Microservices Architecture on Google App
Engine](https://cloud.google.com/appengine/docs/python/microservices-on-app-engine),
[App Engine Standard request
routing](https://cloud.google.com/appengine/docs/standard/python/how-requests-are-routed),
and [App Engine Flex request
routing](https://cloud.google.com/appengine/docs/flexible/python/how-requests-are-routed).
</pre>

Protobuf type {@code google.cloud.tasks.v2beta3.AppEngineRouting}
java-tasks/proto-google-cloud-tasks-v2beta3/src/main/java/com/google/cloud/tasks/v2beta3/AppEngineRouting.java