activateKillSwitch()

  /**
   * Kill a User Portrait - Use with caution: this is a permanent and irreversible action.
   *
   * @param {UserPortraitAddress | UserPortraitENSName} identity - The identity of the user that the user would like to kill their Portrait.
   *
   * @remarks
   * Killing a Portrait is a permanent action. Once a Portrait is killed, it cannot be recovered.
   * Use this function with caution.
   * Only the owner of the Portrait can kill their Portrait.
   * It is recommended to only kill a Portrait if the corresponding private key is compromised.
   *
   * @returns {Promise<ethers.ContractTransaction>} - The transaction object, which contains the transaction hash.
   *
   * @beta
   */
  activateKillSwitch(): Promise<ethers.ContractTransaction> {
    return this.portrait.portraitUserContract.activateKillSwitch();
  }
}