import { IMedia, ArrowSize } from '../types';
export declare const Helpers: {
    createArray: (length: number) => number[];
    chunkArray: <T>(array: T[], chunkSize: number) => T[][];
    getAbsoluteBackgroundColor: (element?: Element | null) => string;
    isValidJson: (jsonString: string) => boolean;
    isMobileDevice: () => boolean;
    pushPostToHistory: (post: IMedia) => void;
    replacePostInHistory: (post: IMedia) => void;
    uniqId: () => string;
    randomId: () => string;
    calculateArrowSize: (containerWidth: number) => ArrowSize;
};