@java.lang.Override
    public com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig.ManualRoutingModeOrBuilder
        getManualModeOrBuilder() {
      if (routingConfigCase_ == 2) {
        return (com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig.ManualRoutingMode)
            routingConfig_;
      }
      return com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig.ManualRoutingMode
          .getDefaultInstance();
    }
<pre>
Manual routing.
</pre>

<code>
.google.cloud.vertexai.v1.GenerationConfig.RoutingConfig.ManualRoutingMode manual_mode = 2;
</code>
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GenerationConfig.java