export declare class Helpers {
    constructor();
    static hash(length?: number): string;
    static hideScrollbars(elmt: any): void;
    static styleScrollbars(elmt: any): void;
    static getURLParam(parameterName: any): any;
    static getEntityImageFolder(entity: any, filename: any): {
        entity: any;
        filename: any;
    };
    static imageUrl(entity: any, filename: any, config: any, baseFolder?: string): any;
    static fireEvent(node: any, eventName: any): void;
    static numberToHuman(val: number): number;
    static numberRoundDecimals(val: number, decimals: number): number;
    static priceToFloat(val: string): number;
    static flatten(arr: any): any;
}