er.php"><a href="files/src-clients-messaging-api-lib-model-areademographicfilter.html"><abbr title="src/clients/messaging-api/lib/Model/AreaDemographicFilter.php">AreaDemographicFilter.php</abbr></a></abbr>
    :
    <span class="phpdocumentor-element-found-in__line">138</span>

    </aside>

        <p class="phpdocumentor-summary">Array of nullable field names deliberately set to null</p>

    <code class="phpdocumentor-code phpdocumentor-signature ">
    <span class="phpdocumentor-signature__visibility">