public Builder mergeFrom(
            com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig.AutoRoutingMode other) {
          if (other
              == com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig.AutoRoutingMode
                  .getDefaultInstance()) return this;
          if (other.hasModelRoutingPreference()) {
            setModelRoutingPreference(other.getModelRoutingPreference());
          }
          this.mergeUnknownFields(other.getUnknownFields());
          onChanged();
          return this;
        }
<pre>
When automated routing is specified, the routing will be determined by
the pretrained routing model and customer provided model routing
preference.
</pre>

Protobuf type {@code
google.cloud.vertexai.v1.GenerationConfig.RoutingConfig.AutoRoutingMode}
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GenerationConfig.java