code: public ListTasksResult withTaskArns(String... taskArns) {
          if (this.taskArns == null) {
              setTaskArns(new com.amazonaws.internal.SdkInternalList<String>(taskArns.length));
          }
          for (String ele : taskArns) {
              this.taskArns.add(ele);
          }
          return this;
      }
docs: <p>
  The list of task ARN entries for the <code>ListTasks</code> request.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setTaskArns(java.util.Collection)} or {@link #withTaskArns(java.util.Collection)} if you want to override
  the existing values.
  </p>
  
  @param taskArns
  The list of task ARN entries for the <code>ListTasks</code> request.
  @return Returns a reference to this object so that method calls can be chained together.