Method setTactic

src/backend/kernel.js:728–731

* * @param {Tactic} tactic * @return {this}

(tactic)

   * @return {this}
   */
  setTactic(tactic) {
    this.tactic = tactic;
    return this;
  }

  requestFallback(args) {
    if (!this.onRequestFallback) {