public Builder clearIpAddressRange() {
        if (ipRangeCase_ == 2) {
          ipRangeCase_ = 0;
          ipRange_ = null;
          onChanged();
        }
        return this;
      }
<pre>
An IP address range in the CIDR format. For example: `10.0.0.0/24`.
</pre>

<code>string ip_address_range = 2;</code>

@return This builder for chaining.
java-vmwareengine/proto-google-cloud-vmwareengine-v1/src/main/java/com/google/cloud/vmwareengine/v1/ExternalAccessRule.java