async setItem(key, value) {
    this.data[key] = value;
    if (!config.VERCEL_ACCESS_TOKEN) return;
    await updateEnvironment({
      id: this.env.id,
      value: JSON.stringify(this.data, null, config.VERCEL_ENV ? 0 : 2),
      type: ENV_TYPE_PLAIN,
    });
  }
@param {string} key
@param {string} value