import { Subject } from 'rxjs';
/**
 * The event emitted on the observable stream of the elevation helper
 * This can be used by client application to detect an elevation response
 * was detected and handled.
 * If confirmed it will contain the user id who confirmed the barcode scan.
 *
 * @export
 * @interface IElevationEvent
 */
export interface IElevationEvent {
    barcode: string;
    confirmedUserId?: number;
    functionality: string;
    requestToken: string;
    scope: EVA.Core.FunctionalityScope;
    serviceContext: string;
    serviceName: string;
    status: 'ACTIVE' | 'CONFIRMED' | 'EXPIRED';
}
/**
 * The elevation helper is provided any 403 responses from core.fetch that contain headers
 * indicating an elevated permission check could allow the call to proceed.
 *
 * @export
 * @class ElevationHelper
 */
export declare class ElevationHelper {
    /**
     * This observable stream will emit when a service response is received that contains
     * elevation headers and needs manager approval
     *
     * @type {Subject<IElevationEvent>}
     */
    elevationEvent$: Subject<IElevationEvent>;
    /**
     * Returns a copy of the currently active elevation event (if any)
     */
    getCurrentElevationEvent(): IElevationEvent | undefined;
    /**
     * The currently active elevation event
     *
     * @private
     * @type {(IElevationEvent | undefined)}
     */
    private currentElevationEvent;
    /**
     * Private helper object to translate returned header values to enum raw values
     *
     * @private
     */
    private elevationScopeValues;
    /**
     * If he core fetch implementation encounters a 403 will pass it to this method.
     * This method will check for the elevation headers and then generate
     * the elevation barcode and connect to the elevation signalr hub if needed
     *
     * @param {{
     *     response: Response,
     *   }} {
     *     response,
     *   }
     */
    checkForElevationResponse({ serviceName, response, serviceContext, }: {
        serviceName: string;
        response: Response;
        serviceContext: string;
    }): Promise<void>;
}
export declare const elevationHelper: ElevationHelper;