const sessionManager: {
  create: (...args) => Promise<Session>;
  delete: (...args) => Promise<boolean>;
  destroy: () => Promise<void>;
  findSessionByInteractionToken: (token) => undefined | Session;
  get: (...args) => undefined | Session;
  getAll: () => Session[];
  getByToken: (...args) => undefined | Session;
  get size: number;
};