code: public void setCategoryList(java.util.Collection<Category> categoryList) {
          if (categoryList == null) {
              this.categoryList = null;
              return;
          }
  
          this.categoryList = new java.util.ArrayList<Category>(categoryList);
      }
docs: <p>
  The list of categories.
  </p>
  
  @param categoryList
  The list of categories.