code: public ListSkillsStoreCategoriesResult withCategoryList(Category... categoryList) {
          if (this.categoryList == null) {
              setCategoryList(new java.util.ArrayList<Category>(categoryList.length));
          }
          for (Category ele : categoryList) {
              this.categoryList.add(ele);
          }
          return this;
      }
docs: <p>
  The list of categories.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setCategoryList(java.util.Collection)} or {@link #withCategoryList(java.util.Collection)} if you want to
  override the existing values.
  </p>
  
  @param categoryList
  The list of categories.
  @return Returns a reference to this object so that method calls can be chained together.