code: function transform(el, context) {
      ebayUIAttributeTransformer(el, context);
  
      const builder = context.builder;
      const iconAttribute = el.getAttribute('icon');
      const iconName = iconAttribute && iconAttribute.value.value;
      if (iconName) {
          const iconTag = context.createNodeForEl('ebay-icon', [
              {
                  name: 'name',
                  value: builder.literal(iconName)
              },
              {
                  name: 'type',
                  value: builder.literal('inline')
              }
          ]);
          const menuIconTag = context.createNodeForEl('ebay-infotip:icon');
          menuIconTag.appendChild(iconTag);
          el.prependChild(menuIconTag);
      }
  }
docs: Transforms an `icon` attribute into an `<ebay-infotip:icon>` tag