docs: public String getProdFeatureId(String productName) {
          String productId = null;
          if (!productName.equals(CORE_PRODUCT_NAME) && !productName.equals(USR_PRODUCT_EXT_NAME)) {
              readProductExtFeatureLocations();
              if (productExtNameInfoMap.containsKey(productName)) {
                  productId = productExtNameInfoMap.get(productName).getProductID();
              }
          }
  
          return productId;
      }