code: public HumanTaskConfig withTaskKeywords(String... taskKeywords) {
          if (this.taskKeywords == null) {
              setTaskKeywords(new java.util.ArrayList<String>(taskKeywords.length));
          }
          for (String ele : taskKeywords) {
              this.taskKeywords.add(ele);
          }
          return this;
      }
docs: <p>
  Keywords used to describe the task so that workers on Amazon Mechanical Turk can discover the task.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setTaskKeywords(java.util.Collection)} or {@link #withTaskKeywords(java.util.Collection)} if you want to
  override the existing values.
  </p>
  
  @param taskKeywords
  Keywords used to describe the task so that workers on Amazon Mechanical Turk can discover the task.
  @return Returns a reference to this object so that method calls can be chained together.