ports query types:
 <ul>
     <li>
         <a href="../../query/simple/Equal.html" title="class in com.googlecode.cqengine.query.simple"><code>Equal</code></a>
     </li>
     <li>
         <a href="../../query/simple/StringEndsWith.html" title="class in com.googlecode.cqengine.query.simple"><code>StringEndsWith</code></a>
     </li>
     <li>
         <a href="../../query/simple/StringContains.html" title="class in com.googlecode.cqengine.query.simple"><code>StringContains</code></a>
     </li>
 </ul></di