public com.google.common.util.concurrent.ListenableFuture<com.google.longrunning.Operation>
        updatePrivateConnection(
            com.google.cloud.vmwareengine.v1.UpdatePrivateConnectionRequest request) {
      return io.grpc.stub.ClientCalls.futureUnaryCall(
          getChannel().newCall(getUpdatePrivateConnectionMethod(), getCallOptions()), request);
    }
<pre>
Modifies a `PrivateConnection` resource. Only `description` and
`routing_mode` fields can be updated. Only fields specified in `updateMask`
are applied.
</pre>
java-vmwareengine/grpc-google-cloud-vmwareengine-v1/src/main/java/com/google/cloud/vmwareengine/v1/VmwareEngineGrpc.java