         <dt class="phpdocumentor-table-of-contents__entry -class"><a href="classes/LINE-Clients-MessagingApi-HeaderSelector.html"><abbr title="\LINE\Clients\MessagingApi\HeaderSelector">HeaderSelector</abbr></a></dt>
        <dd>HeaderSelector Class Doc Comment</dd>
            <dt class="phpdocumentor-table-of-contents__entry -class"><a href="classes/LINE-Clients-MessagingApi-ObjectSerializer.html"><abbr title="\LINE\Clients\MessagingApi\ObjectSerializer">ObjectSerializer</abbr></a></dt>
        <dd>Objec