export class SharedContextPlugin {
    /**
     * @param {object} [stateStorage] - chatbot state storage
     */
    constructor(stateStorage?: object | undefined);
    stateStorage: object | undefined;
    /**
     * @param {object} message - the messaging event object
     * @param {string} pageId - id of page (channel), where the event occured
     * @returns {object} - status 200 will stop the dispatching and will be returned
     */
    processMessage(message: object, pageId: string): object;
    /**
     * @param {Request} req
     * @param {Responder} res
     */
    beforeProcessMessage(req: Request, res: Responder): boolean;
    /**
     * @param {Request} req
     * @param {Responder} res
     * @returns {void}
     */
    _storeSharedContext(req: Request, res: Responder): void;
    /**
     * @param {Request} req
     * @param {Responder} res
     * @returns {void}
     */
    _addSetSharedContextCapability(req: Request, res: Responder): void;
    /**
     * @param {Request} req
     * @param {Responder} res
     * @returns {void}
     */
    _overrideTrackAsSkill(req: Request, res: Responder): void;
    /**
     * @param {object} orig - Original sharedContext
     * @param {object} candid - Candidate to orginal sharedContext
     * @returns {object}
     */
    _getMoreRecentSharedContext(orig?: object, candid?: object): object;
}