@SuppressWarnings("unchecked")
    public <T extends XPathBuilder> T setCls(final String cls) {
        this.cls = cls;
        return (T) this;
    }
@ SuppressWarnings ( "unchecked" ) public < T extends XPathBuilder > T setCls ( final String cls ) { this . cls = cls ; return ( T ) this ; }
<p><b>Used for finding element process (to generate xpath address)</b></p>
<p>Find element with <b>exact math</b> of specified class (equals)</p>

@param cls class of element
@param <T> the element which calls this method
@return this element