@java.lang.Override
  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
    if (((bitField0_ & 0x00000001) != 0)) {
      output.writeMessage(1, getUpdateMask());
    }
    if (((bitField0_ & 0x00000002) != 0)) {
      output.writeMessage(2, getSubnet());
    }
    getUnknownFields().writeTo(output);
  }
<pre>
Required. Subnet description.
</pre>

<code>
.google.cloud.vmwareengine.v1.Subnet subnet = 2 [(.google.api.field_behavior) = REQUIRED];
</code>
java-vmwareengine/proto-google-cloud-vmwareengine-v1/src/main/java/com/google/cloud/vmwareengine/v1/UpdateSubnetRequest.java