import { PipeTransform } from '@angular/core';
import * as i0 from "@angular/core";
export declare class UnderscorePipe implements PipeTransform {
    transform(input: string, chars?: string): string;
    transform(input: any, chars?: string): any;
    static ɵfac: i0.ɵɵFactoryDeclaration<UnderscorePipe, never>;
    static ɵpipe: i0.ɵɵPipeDeclaration<UnderscorePipe, "underscore", false>;
}