import { MutableRefObject } from "react"; export declare function chainRefFunctions(funcsOrRefs: Array | ((element: HTMLElement) => void | boolean)>, allowBreak?: boolean): (args: HTMLElement) => void; export declare function chainFunctions(funcs: Array<(args: any) => void | boolean>, allowBreak?: boolean): (args: any) => void; export declare function convertToArray(input: T | Array): Array; export declare function NOOP(): void;