private void buildPartial0(
          com.google.cloud.vmwareengine.v1.DnsForwarding.ForwardingRule result) {
        int from_bitField0_ = bitField0_;
        if (((from_bitField0_ & 0x00000001) != 0)) {
          result.domain_ = domain_;
        }
        if (((from_bitField0_ & 0x00000002) != 0)) {
          nameServers_.makeImmutable();
          result.nameServers_ = nameServers_;
        }
      }
<pre>
A forwarding rule is a mapping of a `domain` to `name_servers`.
This mapping allows VMware Engine to resolve domains for attached private
clouds by forwarding DNS requests for a given domain to the specified
nameservers.
</pre>

Protobuf type {@code google.cloud.vmwareengine.v1.DnsForwarding.ForwardingRule}
java-vmwareengine/proto-google-cloud-vmwareengine-v1/src/main/java/com/google/cloud/vmwareengine/v1/DnsForwarding.java