import { MonoTypeOperatorFunction } from 'rxjs';
import { PadPositionValue } from '../types/position';
export declare function padString(padPosition: PadPositionValue, maxLength: number, fillString?: string): MonoTypeOperatorFunction<string>;
export declare function padStart(maxLength: number, fillString?: string): MonoTypeOperatorFunction<string>;
export declare function padEnd(maxLength: number, fillString?: string): MonoTypeOperatorFunction<string>;