public Builder clearExternalAccessRule() {
      bitField0_ = (bitField0_ & ~0x00000002);
      externalAccessRule_ = null;
      if (externalAccessRuleBuilder_ != null) {
        externalAccessRuleBuilder_.dispose();
        externalAccessRuleBuilder_ = null;
      }
      onChanged();
      return this;
    }
<pre>
Required. The initial description of a new external access rule.
</pre>

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