import { G } from "galho";
import { Dic, Key, bool, int, str } from "galho/util.js";
/**request animation frame each frame, if fn returns false cancel animation
 * @returns function that cancel the renderer of current animation
 */
export declare function anim(fn: () => void | boolean): () => void;
export declare const up: (v: str) => string;
export declare function arrayToDic<T, U>(arr: Array<T>, callback: (value: T, index: number) => [Key, U]): Dic<U>;
/**
 * map dictionary
 * @param dic
 * @param fn
 */
export declare function filterDic<T>(dic: Dic<T>, fn?: (value: T, key: string) => any): Dic<T>;
export declare function filterDic<T extends Dic>(dic: T, fn?: (value: any, key: any) => any): T;
export declare function anyProp<T = any>(dic: Dic<T>, fn?: (value: T, key: string) => unknown): boolean;
export declare function extend<T extends object, U = Partial<T>>(obj: T, extension: U, override?: bool): T & U;
export declare const UUID: (l?: int) => string;
export type Input = G<HTMLInputElement>;
export type Div = HTMLDivElement;
export type Button = HTMLButtonElement;
export type InputElement = HTMLInputElement | HTMLTextAreaElement | HTMLSelectElement;