@java.lang.Override
    public boolean hasVpcNetwork() {
      return bindNetworkCase_ == 14;
    }
<pre>
Network to bind is a standard consumer VPC.
Specify the name in the following form for consumer
VPC network: `projects/{project}/global/networks/{network_id}`.
`{project}` can either be a project number or a project ID.
</pre>

<code>string vpc_network = 14 [(.google.api.resource_reference) = { ... }</code>

@return Whether the vpcNetwork field is set.
java-vmwareengine/proto-google-cloud-vmwareengine-v1/src/main/java/com/google/cloud/vmwareengine/v1/ManagementDnsZoneBinding.java