signature-attributes">opt</span>, pack_cb<span class="signature-attributes">opt</span>, progress_cb<span class="signature-attributes">opt</span>)</span><span class="type-signature"></span></a></li>

        
        </ul>
    
    
        <h3 class="subsection-title">Type Definitions</h3>

        <ul>
        
                
<li> <a href="#~AssetCallback">AssetCallback<span class="signature">(data, id, type, url, opt_param<span class="signature-attributes">opt</span>)</span><span class="type-signature">