function selectorQueried(index, nodeId, matchingSelectors, matchingNodeIds)
        {
            if (!matchingNodeIds)
                return;
            if (matchingNodeIds.indexOf(nodeId) !== -1)
                matchingSelectors.push(index);
        }
@param {number} index
@param {!DOMAgent.NodeId} nodeId
@param {!Array.<number>} matchingSelectors
@param {!Array.<!DOMAgent.NodeId>=} matchingNodeIds