import { isObject } from './util';
/**
 * 随机一个id
 * @returns id
 */
export declare const generateId: () => number;
/**
 * 是否是一个函数
 * @param val
 * @returns
 */
export declare const isFunction: (val: any) => boolean;
/**
 * 是否是boolean
 * @param val
 * @returns
 */
export declare const isBool: (val: any) => val is boolean;
/**
 * 是否是number
 * @param val
 * @returns
 */
export declare const isNumber: (val: any) => val is number;
/**
 * 是否是string
 * @param val
 * @returns
 */
export declare const isString: (value: any) => value is string;
/**
 * 是否是object
 * @param val
 * @returns
 */
export { isObject };
/**
 * 是否是isArray
 * @param val
 * @returns
 */
export declare const isArray: (value: any) => boolean;
/**
 * 是否是Promise
 * @param fn
 * @returns
 */
export declare const isPromise: (fn: any) => boolean;
/**
 * 是否是HTMLElement
 * @param val
 * @returns
 */
export declare const isHTMLElement: (val: any) => any;
/**
 * 是否为空
 */
export declare function isEmpty(val: any): boolean;
/**
 * 查找数组元素
 * @param arr
 * @param pred
 * @returns
 */
export declare const arrayFind: (arr: any, pred: any) => any;
/**
 * 查找数组索引
 * @param arr
 * @param pred
 * @returns
 */
export declare const arrayFindIndex: (arr: any, pred: any) => any;
/**
 * 清空计时器
 * @param val
 * @returns
 */
export declare const clearTimer: (timer: any) => void;
/**
 * 追加transition前缀
 * @param style
 * @returns
 */
export declare const autoprefixer: (style: any) => any;
/**
 * 根据.获取拼接路径
 * @param obj
 * @param paths
 * @returns
 */
export declare const getValueByPath: (obj: any, paths?: string) => any;
/**
 * 根据路径信息获取prop
 * @param obj
 * @param path
 * @param strict
 * @returns
 */
export declare function getPropByPath(obj: any, path: any, strict: any): {
    o: any;
    k: any;
    v: any;
};
/**
 * 是否是IE
 * @returns
 */
export declare const isIE: () => boolean;
/**
 * 是否是Edge
 * @returns
 */
export declare const isEdge: () => boolean;
/**
 * 正则转换
 * @param value
 * @returns
 */
export declare const escapeRegexpString: (value?: string) => string;
/**
 * 是否存在entries
 * @param obj
 * @returns
 */
export declare function entries(obj: any): any[][];
/**
 * ref解包
 * @param ref Refed value
 */
export declare function $(ref: any): any;
/** 是否是undefined */
export declare function isUndefined(val: any): boolean;
/**
 * 数组打乱
 * @param arr
 * @returns
 */
export declare function arrayFlat(arr: any): any;
export declare function deduplicate(arr: any): unknown[];
/**
 * 实际值转换为数组
 * @param arr
 * @returns
 */
export declare const coerceTruthyValueToArray: (arr: any) => any[];
export declare function capitalize(str: string): string;