        The identity needed for making an empty map<br>
 
                </div>
                </div> </td></tr>
<tr><td><a href="Belt_Set.html#TYPEid">id</a> [<a href="Belt_Set.html">Belt_Set</a>]</td>
<td> <div class="info">                     
                <div class="not-examples">
                    The identity needed for making a set from scratch<br>
 
                </div>
                </div> </td></tr>
<tr><td><a href="Dom.html#TYPEidbVersionChangeEvent">idbVersionChangeEvent</a> [<a hre