import { ForwardedRef, MutableRefObject } from 'react';
export declare const getCharactersLength: (value: string | number | undefined, ref: ForwardedRef<HTMLInputElement | undefined>) => number;
export declare const buildScreenReaderText: (value: string | number | undefined, ref: MutableRefObject<HTMLInputElement>, maxLength: number, screenReaderText?: string) => string | undefined;