fnCheck = function(oElem) {
			/* TBD Cleanup sap.m and sap.ui.table plugins should be aligned in future.*/
			return oElem.isA(vPlugin) && (
					oElem.isA(["sap.m.plugins.PluginBase", "sap.ui.table.plugins.PluginBase"]));
		}
Searches a control plugin with a given type in the aggregations of the given <code>Element</code> instance.
The first plugin that is found is returned.

@param {sap.ui.core.Element} oElement The <code>Element</code> instance to check for
@param {string|function} [vPlugin] The full name or the constructor of the plugin name; if nothing is given, <code>PluginBase</code> is used
@return {sap.ui.core.Element|undefined} The found plugin instance or <code>undefined</code> if not found
@private
@static