public java.util.List<com.google.cloud.vmwareengine.v1.DnsForwarding.ForwardingRule>
        getForwardingRulesList() {
      if (forwardingRulesBuilder_ == null) {
        return java.util.Collections.unmodifiableList(forwardingRules_);
      } else {
        return forwardingRulesBuilder_.getMessageList();
      }
    }
<pre>
Required. List of domain mappings to configure
</pre>

<code>
repeated .google.cloud.vmwareengine.v1.DnsForwarding.ForwardingRule forwarding_rules = 4 [(.google.api.field_behavior) = REQUIRED];
</code>
java-vmwareengine/proto-google-cloud-vmwareengine-v1/src/main/java/com/google/cloud/vmwareengine/v1/DnsForwarding.java