import { PipeTransform } from '@angular/core';
import * as i0 from "@angular/core";
export declare class DigitGroupPipe implements PipeTransform {
    transform(el: string | number): string;
    static ɵfac: i0.ɵɵFactoryDeclaration<DigitGroupPipe, never>;
    static ɵpipe: i0.ɵɵPipeDeclaration<DigitGroupPipe, "digitGroup", false>;
}