code: public GetPersonTrackingResult withPersons(PersonDetection... persons) {
          if (this.persons == null) {
              setPersons(new java.util.ArrayList<PersonDetection>(persons.length));
          }
          for (PersonDetection ele : persons) {
              this.persons.add(ele);
          }
          return this;
      }
docs: <p>
  An array of the persons detected in the video and the time(s) their path was tracked throughout the video. An
  array element will exist for each time a person's path is tracked.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setPersons(java.util.Collection)} or {@link #withPersons(java.util.Collection)} if you want to override
  the existing values.
  </p>
  
  @param persons
  An array of the persons detected in the video and the time(s) their path was tracked throughout the video.
  An array element will exist for each time a person's path is tracked.
  @return Returns a reference to this object so that method calls can be chained together.