code: function (oTreeModel, aAdditionalRuleSetsNames) {
  
  			if (!aAdditionalRuleSetsNames) {
  				return;
  			}
  
  			aAdditionalRuleSetsNames.forEach(function (sRuleName) {
  				Object.keys(oTreeModel).forEach(function(iKey) {
  					if (oTreeModel[iKey].name === sRuleName) {
  						oTreeModel[iKey].selected = false;
  						oTreeModel[iKey].nodes.forEach(function(oRule){
  							oRule.selected = false;
  						});
  					}
  				});
  			});
  
  			return oTreeModel;
  		}
docs: Deselect additional rulesets in model
  @param {Object} oTreeModel tree model with loaded additional ruleset(s)
  @param {Array} aAdditionalRuleSetsNames additional ruleset(s) name
  @returns {Object} oTreeModel updated selection model