/// <reference types="node" />
import { IncomingMessage } from 'http';
import { CmsHelperInterface } from '../interfaces';
import { Source } from '../../../common/enums/source.enum';
import { Vertical } from '@bolttech/essentials';
import { Nullable } from '../../../common/types/nullable.type';
export declare class CmsHelper implements CmsHelperInterface {
    private static instance;
    private _country;
    private _locale;
    private _vertical;
    private _source;
    private _flow;
    private _request;
    private _device;
    static getInstance(newInstance?: boolean): CmsHelper;
    get locale(): string;
    get vertical(): Vertical;
    get country(): string;
    get source(): Source;
    get flow(): string;
    get request(): Nullable<IncomingMessage> | undefined;
    get device(): Nullable<string>;
    setLocale(locale: string): CmsHelper;
    setVertical(vertical: Vertical): CmsHelper;
    setRequest(request: Nullable<IncomingMessage> | undefined): CmsHelper;
    setCountry(country?: string): CmsHelper;
    setDevice(device?: string): CmsHelper;
    setSource(source?: Source): CmsHelper;
    setFlow(flow?: string): CmsHelper;
    private isMobileDevice;
}