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