Argument to setClass should be a string
                 reference.after(item);
                 reference = item;
                 if(!listIsNested) {
                 reference.after(item);
                 reference = item;
                 if(!listIsNested) {
                 }
             });
             if(precedingItems.length === 0) {
                 }
             });
             if(precedingItems.length === 0) {
             extractedItems.forEach(function(item) {
                 reference.before(item);
                 if(!listIsNested) {
             extractedItems.forEach(function(item) {
                 reference.before(item);
                 if(!listIsNested) {
                 }
             });
         } else {
             extractedItems.forEach(function(item) {
                 reference.after(item);
                 if(!listIsNested) {
                 }
             });
         } else {
             extractedItems.forEach(function(item) {
                 reference.after(item);
                 if(!listIsNested) {