public void updatePrivateConnection(
        com.google.cloud.vmwareengine.v1.UpdatePrivateConnectionRequest request,
        io.grpc.stub.StreamObserver<com.google.longrunning.Operation> responseObserver) {
      io.grpc.stub.ClientCalls.asyncUnaryCall(
          getChannel().newCall(getUpdatePrivateConnectionMethod(), getCallOptions()),
          request,
          responseObserver);
    }
<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