type AnyRecord = Record<string, any>;
type Falsy = false | 0 | 0n | '' | null | undefined;
type MaybePromise<T> = T | Promise<T>;
type MaybePromiseLike<T> = T | PromiseLike<T>;
type Promisable<T> = T | PromiseLike<T>;
type Awaitable<T> = T | PromiseLike<T>;
type MaybeNull<T> = T | null;
type Nullable<T> = T | null;
type NonNullable<T> = Exclude<T, null>;
type MaybeUndefined<T> = T | undefined;
type Optional<T> = T | undefined;
type Undefinable<T> = T | undefined;
type NonUndefinable<T> = Exclude<T, undefined>;
type Nullish<T> = T | undefined | null;
type NonNullish<T> = Exclude<T, undefined | null>;
type MaybeArray<T> = T | T[];
type Arrayable<T> = T | T[];
type ElementOf<T> = T extends (infer E)[] ? E : never;
type Fn<T = any> = () => T;
type PromisifyFn<T extends Fn> = () => Promise<ReturnType<T>>;
type AnyFn<T = any> = (...args: any[]) => T;
type PromisifyAnyFn<T extends AnyFn> = (...args: Parameters<T>) => Promise<ReturnType<T>>;

/**
 * Determines whether an array includes a certain element, returning true or false as appropriate.
 *
 * 确定数组是否包含某个元素，返回 true 或 false。
 *
 * @param searchElement - The element to search for.
 * @param searchElement - 需要搜索的元素。
 * @param fromIndex - The position in this array at which to begin searching for searchElement.
 * @param fromIndex - 开始搜索元素的位置。
 */
declare function arrayIncludes<Type extends SuperType, SuperType = unknown>(array: Type[] | readonly Type[], item: SuperType, fromIndex?: number): item is Type;
/**
 * Convert value to an array.
 *
 * 将值转换成数组。
 *
 * @example toArray() => []
 *
 * @example toArray(undefined) => []
 *
 * @example toArray(null) => []
 *
 * @example toArray(1) => [1]
 *
 * @example toArray('abc') => ['abc']
 *
 * @example toArray({ a: 1, b: 2 }) => [{ a: 1, b: 2 }]
 *
 * @example toArray([1, 2]) => [1, 2]
 *
 * @param value - The value to convert.
 * @param value - 需要转换的值。
 */
declare function toArray<T>(value?: Nullish<Arrayable<T>>): T[];
/**
 * Find difference elements between two arrays. Pass a function to judge equation or fallback to
 * `Array#includes`. Return a new array.
 *
 * 找到两个数组中不同的元素。内部默认使用 `Array#includes` 判断相等性，你也可以传入一个自定义方法。返回一个新数组。
 *
 * @example difference([1, '2'], [1]) => ['2']
 *
 * @example difference([1, '2', {}], [1, {}]) => ['2', {}]
 *
 * @example difference([1, '2', { a: { b: 'c' } }], [1, { a: { b: 'c' } }]) => ['2', { a: { b: 'c' }
 * }]
 *
 * @example difference([1, '2', {}], [1, {}], isDeepEqual) => ['2']
 *
 * @example difference([1, '2', { a: { b: 'c' } }], [1, { a: { b: 'c' } }], isDeepEqual) => ['2']
 */
declare function difference<T>(array1: T[], array2: T[], equalFn?: (value1: T, value2: T) => boolean): T[];
/**
 * Find same elements between two arrays. Pass a function to judge equation or fallback to
 * `Array#includes`. Return a new array.
 *
 * 找到两个数组中相同的元素。内部默认使用 `Array#includes` 判断相等性，你也可以传入一个自定义方法。返回一个新数组。
 *
 * @example intersection([1, '2'], [1]) => [1]
 *
 * @example intersection([1, '2', {}], [1, {}]) => [1]
 *
 * @example intersection([1, '2', { a: { b: 'c' } }], [1, { a: { b: 'c' } }]) => [1]
 *
 * @example intersection([1, '2', {}], [1, {}], isDeepEqual) => [1, {}]
 *
 * @example intersection([1, '2', { a: { b: 'c' } }], [1, { a: { b: 'c' } }], isDeepEqual) => [1, {
 * a: { b: 'c' } }]
 */
declare function intersection<T>(array1: T[], array2: T[], equalFn?: (value1: T, value2: T) => boolean): T[];
/**
 * Find unique elements. Pass a function to judge equation or fallback to `Set`. Return a new array.
 *
 * 数组去重。内部默认使用 `Array#includes` 判断相等性，你也可以传入一个自定义方法。返回一个新数组。
 *
 * @example uniq([1, '2', 2, 2, '2']) => [1, '2', 2]
 *
 * @example uniq([1, '2', 2, 2, '2', {}, {}] => [1, '2', 2, {}, {}]
 *
 * @example uniq([1, '2', 2, 2, '2', {}, {}], isDeepEqual) => [1, '2', 2, {}]
 */
declare function uniq<T>(array: T[], equalFn?: (value1: T, value2: T) => boolean): T[];
/**
 * Find all elements in two arrays. Use `uniq` under the hood. Return a new array.
 *
 * 找到两个数组所有不同元素。内部使用 `uniq`。返回一个新数组。
 *
 * @example union([1, '2'], [1, 3]) => [1, '2', 3]
 *
 * @example union([1, '2', {}], [1, 3, {}]) => [1, '2', {}, 3, {}]
 *
 * @example union([1, '2', { a: { b: 'c' } }], [1, 3, { a: { b: 'c' } }]) => [1, '2', { a: { b: 'c'
 * } }, 3, { a: { b: 'c' } }]
 *
 * @example union([1, '2', {}], [1, 3, {}], isDeepEqual) => [1, '2', {}, 3]
 *
 * @example union([1, '2', { a: { b: 'c' } }], [1, 3, { a: { b: 'c' } }], isDeepEqual) => [1, '2', {
 * a: { b: 'c' } }, 3]
 */
declare function union<T>(array1: T[], array2: T[], equalFn?: (value1: T, value2: T) => boolean): T[];
declare function range(end: number): number[];
declare function range(start: number, end: number): number[];
declare function range(start: number, end: number, step: number): number[];

/**
 * Get value type name.
 *
 * 获取值的类型名称。
 *
 * @example getType(null) => 'Null'
 *
 * @example getType() => 'Undefined'
 *
 * @example getType(undefined) => 'Undefined'
 *
 * @example getType(true) => 'Boolean'
 *
 * @example getType(0) => 'Number'
 *
 * @example getType(0n) => 'BigInt'
 *
 * @example getType('') => 'String'
 *
 * @example getType({}) => 'Object'
 *
 * @example getType([]) => 'Array'
 */
declare function getType(value?: unknown): string;
/**
 * Determine if a value is a string.
 *
 * 判断一个值是否为 string。
 *
 * @example isString('') => true
 *
 * @example isString(0) => false
 *
 * @example isString(0n) => false
 *
 * @example isString(true) => false
 *
 * @example isString(undefined) => false
 *
 * @example isString(null) => false
 *
 * @example isString(Symbol()) => false
 *
 * @example isString({}) => false
 *
 * @example isString(() => {}) => false
 *
 * @example isString([]) => false
 */
declare function isString(value: unknown): value is string;
/**
 * Determine if a value is a number.
 *
 * 判断一个值是否为 number。
 *
 * @example isNumber('') => false
 *
 * @example isNumber(0) => true
 *
 * @example isNumber(0n) => false
 *
 * @example isNumber(true) => false
 *
 * @example isNumber(undefined) => false
 *
 * @example isNumber(null) => false
 *
 * @example isNumber(Symbol()) => false
 *
 * @example isNumber({}) => false
 *
 * @example isNumber(() => {}) => false
 *
 * @example isNumber([]) => false
 */
declare function isNumber(value: unknown): value is number;
/**
 * Determine if a value is a bigint.
 *
 * 判断一个值是否为 bigint。
 *
 * @example isBigInt('') => false
 *
 * @example isBigInt(0) => false
 *
 * @example isBigInt(0n) => true
 *
 * @example isBigInt(true) => false
 *
 * @example isBigInt(undefined) => false
 *
 * @example isBigInt(null) => false
 *
 * @example isBigInt(Symbol()) => false
 *
 * @example isBigInt({}) => false
 *
 * @example isBigInt(() => {}) => false
 *
 * @example isBigInt([]) => false
 */
declare function isBigInt(value: unknown): value is bigint;
/**
 * Determine if a value is a boolean.
 *
 * 判断一个值是否为 boolean。
 *
 * @example isBoolean('') => false
 *
 * @example isBoolean(0) => false
 *
 * @example isBoolean(0n) => false
 *
 * @example isBoolean(true) => true
 *
 * @example isBoolean(undefined) => false
 *
 * @example isBoolean(null) => false
 *
 * @example isBoolean(Symbol()) => false
 *
 * @example isBoolean({}) => false
 *
 * @example isBoolean(() => {}) => false
 *
 * @example isBoolean([]) => false
 */
declare function isBoolean(value: unknown): value is boolean;
/**
 * Determine if a value is undefined.
 *
 * 判断一个值是否为 undefined。
 *
 * @example isUndefined('') => false
 *
 * @example isUndefined(0) => false
 *
 * @example isUndefined(0n) => false
 *
 * @example isUndefined(true) => false
 *
 * @example isUndefined(undefined) => true
 *
 * @example isUndefined(null) => false
 *
 * @example isUndefined(Symbol()) => false
 *
 * @example isUndefined({}) => false
 *
 * @example isUndefined(() => {}) => false
 *
 * @example isUndefined([]) => false
 */
declare function isUndefined(value: unknown): value is undefined;
/**
 * Determine if a value is null.
 *
 * 判断一个值是否为 null。
 *
 * @example isNull('') => false
 *
 * @example isNull(0) => false
 *
 * @example isNull(0n) => false
 *
 * @example isNull(true) => false
 *
 * @example isNull(undefined) => false
 *
 * @example isNull(null) => true
 *
 * @example isNull(Symbol()) => false
 *
 * @example isNull({}) => false
 *
 * @example isNull(() => {}) => false
 *
 * @example isNull([]) => false
 */
declare function isNull(value: unknown): value is null;
/**
 * Determine if a value is null or undefined.
 *
 * 判断一个值是否为 null 或 undefined。
 *
 * @example isNullish('') => false
 *
 * @example isNullish(0) => false
 *
 * @example isNullish(0n) => false
 *
 * @example isNullish(true) => false
 *
 * @example isNullish(undefined) => true
 *
 * @example isNullish(null) => true
 *
 * @example isNullish(Symbol()) => false
 *
 * @example isNullish({}) => false
 *
 * @example isNullish(() => {}) => false
 *
 * @example isNullish([]) => false
 */
declare function isNullish(value: unknown): value is null | undefined;
/**
 * Determine if a value is a symbol.
 *
 * 判断一个值是否为 symbol。
 *
 * @example isSymbol('') => false
 *
 * @example isSymbol(0) => false
 *
 * @example isSymbol(0n) => false
 *
 * @example isSymbol(true) => false
 *
 * @example isSymbol(undefined) => false
 *
 * @example isSymbol(null) => false
 *
 * @example isSymbol(Symbol()) => true
 *
 * @example isSymbol({}) => false
 *
 * @example isSymbol(() => {}) => false
 *
 * @example isSymbol([]) => false
 */
declare function isSymbol(value: unknown): value is symbol;
/**
 * Determine if a value is a object.
 *
 * 判断一个值是否为 object。
 *
 * @example isObject('') => false
 *
 * @example isObject(0) => false
 *
 * @example isObject(0n) => false
 *
 * @example isObject(true) => false
 *
 * @example isObject(undefined) => false
 *
 * @example isObject(null) => false
 *
 * @example isObject(Symbol()) => false
 *
 * @example isObject({}) => true
 *
 * @example isObject(() => {}) => false
 *
 * @example isObject([]) => false
 */
declare function isObject(value: unknown): value is object;
/**
 * Determine if a value is a function.
 *
 * 判断一个值是否为 function。
 *
 * @example isFunction('') => false
 *
 * @example isFunction(0) => false
 *
 * @example isFunction(0n) => false
 *
 * @example isFunction(true) => false
 *
 * @example isFunction(undefined) => false
 *
 * @example isFunction(null) => false
 *
 * @example isFunction(Symbol()) => true
 *
 * @example isFunction({}) => false
 *
 * @example isFunction(() => {}) => true
 *
 * @example isFunction([]) => false
 */
declare function isFunction(value: unknown): value is Function;
/**
 * Determine if a value is a array.
 *
 * 判断一个值是否为 array。
 *
 * @example isArray('') => false
 *
 * @example isArray(0) => false
 *
 * @example isArray(0n) => false
 *
 * @example isArray(true) => false
 *
 * @example isArray(undefined) => false
 *
 * @example isArray(null) => false
 *
 * @example isArray(Symbol()) => true
 *
 * @example isArray({}) => false
 *
 * @example isArray(() => {}) => false
 *
 * @example isArray([]) => true
 *
 * @example isArray<number>([1], isNumber) => true
 */
declare function isArray<T = unknown>(value: unknown, assertion?: (value: unknown) => value is T): value is T[];
/**
 * Determine if a value is a blob.
 *
 * 判断一个值是否为 blob。
 */
declare function isBlob(value: unknown): value is Blob;
/**
 * Determine if a value is a file.
 *
 * 判断一个值是否为 file。
 */
declare function isFile(value: unknown): value is File;
/**
 * Get millisecond-based timestamp.
 *
 * 获取毫秒级时间戳。
 *
 * @example getTimestamp() => 13 digits number
 */
declare function getTimestamp(): number;
/**
 * Use `Object.is` directly to determine if two values are equal.
 *
 * Use `isDeepEqual` If you need a deep comparison.
 *
 * 直接使用 `Object.is` 来判断两个值是否相等。
 *
 * 如果你需要深层比较，请使用 `isDeepEqual`。
 *
 * @example isEqual(null, null) => true
 *
 * @example isEqual(undefined, null) => false
 *
 * @example isEqual(undefined, undefined) => true
 *
 * @example isEqual(true, true) => true
 *
 * @example isEqual(false, false) => true
 *
 * @example isEqual(true, false) => false
 *
 * @example isEqual(1, 2) => false
 *
 * @example isEqual(1, 1) => true
 *
 * @example isEqual({}, {}) => false
 *
 * @example isEqual({ a: 1 }, { a: 1, b: 2 }) => false
 *
 * @example isEqual({ a: 1 }, { a: 1 }) => false
 *
 * @example isEqual({ a: 1, b: { c: true } }, { a: 1, b: { c: true } }) => false
 *
 * @example isEqual({ a: 1, b: { c: true } }, { a: 1, b: { c: false } }) => false
 *
 * @example isEqual([], []) => false
 *
 * @example isEqual([1, 2, 3, { a: 1, b: { c: true } }], [1, 2, 3, { a: 1, b: { c: true } }]) =>
 * false
 *
 * @example isEqual([1, 2, 3, { a: 1, b: { c: true } }], [1, 2, 3, { a: 1, b: { c: false } }]) =>
 * false
 */
declare function isEqual(value1: unknown, value2: unknown): boolean;
/**
 * Determine if two values are equal.
 *
 * For arrays, recursively determine the value corresponding to each index.
 *
 * For objects, recursively determine the value of each key.
 *
 * Other cases are determined with `Object.is`.
 *
 * 判断两个值是否相等。
 *
 * 对于数组，递归地判断每个下标的值。
 *
 * 对于对象，递归地判断每个键对应的值。
 *
 * 其它情况使用 `Object.is` 来判断。
 *
 * @example isDeepEqual(null, null) => true
 *
 * @example isDeepEqual(undefined, null) => false
 *
 * @example isDeepEqual(undefined, undefined) => true
 *
 * @example isDeepEqual(true, true) => true
 *
 * @example isDeepEqual(false, false) => true
 *
 * @example isDeepEqual(true, false) => false
 *
 * @example isDeepEqual(1, 2) => false
 *
 * @example isDeepEqual(1, 1) => true
 *
 * @example isDeepEqual({}, {}) => true
 *
 * @example isDeepEqual({ a: 1 }, { a: 1, b: 2 }) => false
 *
 * @example isDeepEqual({ a: 1 }, { a: 1 }) => true
 *
 * @example isDeepEqual({ a: 1, b: { c: true } }, { a: 1, b: { c: true } }) => true
 *
 * @example isDeepEqual({ a: 1, b: { c: true } }, { a: 1, b: { c: false } }) => false
 *
 * @example isDeepEqual([], []) => true
 *
 * @example isDeepEqual([1, 2, 3, { a: 1, b: { c: true } }], [1, 2, 3, { a: 1, b: { c: true } }]) =>
 * true
 *
 * @example isDeepEqual([1, 2, 3, { a: 1, b: { c: true } }], [1, 2, 3, { a: 1, b: { c: false } }])
 * => false
 */
declare function isDeepEqual(value1: unknown, value2: unknown): boolean;

/**
 * Empty function.
 *
 * 空函数。
 */
declare function noop(): void;
/**
 * Creates a throttled function that only invokes `callback` at most once per every `delay`
 * milliseconds.
 *
 * 创建一个节流函数，每 `delay` 毫秒最多只调用一次 `callback`。
 *
 * @param callback function to throttle
 * @param callback 需要节流的方法
 * @param delay milliseconds to throttle
 * @param delay 节流的毫秒数
 * @param options options object, default `{}`
 * @param options 选项 object，默认为 `{}`
 * @param options.leading specify invoking on the leading edge of the timeout, default `true`
 * @param options.leading 是否在超时前沿调用，默认 `true`
 * @param options.trailing specify invoking on the trailing edge of the timeout, default `true`
 * @param options.leading 是否在超时后沿调用，默认 `true`
 */
declare function throttle<Callback extends (...args: any) => any>(callback: Callback, delay?: number, { leading, trailing }?: {
    leading?: boolean | undefined;
    trailing?: boolean | undefined;
}): {
    (...args: Parameters<Callback>): void;
    abort: (isOneTime?: boolean) => void;
    cancel: (isOneTime?: boolean) => void;
    isAborted(): boolean;
    isCancelled: () => boolean;
};
/**
 * Creates a debounced function that delays invoking `callback` until after `delay` milliseconds
 * have elapsed since the last time the debounced function was invoked.
 *
 * 创建一个防抖函数，自上次调用以来过去了 `delay` 毫秒再调用 `callback`。。
 *
 * @param callback function to throttle
 * @param callback 需要防抖的方法
 * @param delay milliseconds to debounce
 * @param delay 防抖的毫秒数
 * @param options options object, default `{}`
 * @param options 选项 object，默认为 `{}`
 * @param options.leading specify invoking on the leading edge of the timeout, default `false`
 * @param options.leading 是否在超时前沿调用，默认 `false`
 * @param options.trailing specify invoking on the trailing edge of the timeout, default `true`
 * @param options.leading 是否在超时后沿调用，默认 `true`
 */
declare function debounce<Callback extends (...args: any) => any>(callback: Callback, delay?: number, { leading, trailing }?: {
    leading?: boolean | undefined;
    trailing?: boolean | undefined;
}): {
    (...args: Parameters<Callback>): void;
    abort: (isOneTime?: boolean) => void;
    cancel: (isOneTime?: boolean) => void;
    isAborted(): boolean;
    isCancelled: () => boolean;
};
/**
 * Performs left-to-right function composition.
 *
 * 执行从左到右的函数组合。
 *
 * @example pipe((a: number, b: number) => a + b)(1, 1) => 2
 *
 * @example pipe((a: number, b: number) => a + b, (a) => Math.pow(a, 2))(1, 1) => 4
 */
declare function pipe<Args extends any[], Result1>(fn1: (...args: Args) => Result1): (...args: Args) => Result1;
declare function pipe<Args extends any[], Result1, Result2>(fn1: (...args: Args) => Result1, fn2: (arg: Result1) => Result2): (...args: Args) => Result2;
declare function pipe<Args extends any[], Result1, Result2, Result3>(fn1: (...args: Args) => Result1, fn2: (arg: Result1) => Result2, fn3: (arg: Result2) => Result3): (...args: Args) => Result3;
declare function pipe<Args extends any[], Result1, Result2, Result3, Result4>(fn1: (...args: Args) => Result1, fn2: (arg: Result1) => Result2, fn3: (arg: Result2) => Result3, fn4: (arg: Result3) => Result4): (...args: Args) => Result4;
declare function pipe<Args extends any[], Result1, Result2, Result3, Result4, Result5>(fn1: (...args: Args) => Result1, fn2: (arg: Result1) => Result2, fn3: (arg: Result2) => Result3, fn4: (arg: Result3) => Result4, fn5: (arg: Result4) => Result5): (...args: Args) => Result5;
declare function pipe<Args extends any[], Result1, Result2, Result3, Result4, Result5, Result6>(fn1: (...args: Args) => Result1, fn2: (arg: Result1) => Result2, fn3: (arg: Result2) => Result3, fn4: (arg: Result3) => Result4, fn5: (arg: Result4) => Result5, fn6: (arg: Result5) => Result6): (...args: Args) => Result6;
declare function pipe<Args extends any[], Result1, Result2, Result3, Result4, Result5, Result6, Result7>(fn1: (...args: Args) => Result1, fn2: (arg: Result1) => Result2, fn3: (arg: Result2) => Result3, fn4: (arg: Result3) => Result4, fn5: (arg: Result4) => Result5, fn6: (arg: Result5) => Result6, fn7: (arg: Result6) => Result7): (...args: Args) => Result7;

/**
 * Returns the names of the enumerable string properties and methods of an object.
 *
 * 返回对象的可枚举字符串属性和方法的名称。
 *
 * @param o — Object that contains the properties and methods. This can be an object that you
 *   created or an existing Document Object Model (DOM) object.
 * @param o - 包含属性和方法的 object。这可以是你创建的对象或现有文档对象模型（DOM）对象。
 */
declare const objectKeys: <Type extends object>(o: Type) => `${Exclude<keyof Type, symbol>}`[];
/**
 * Returns an array of key/values of the enumerable properties of an object.
 *
 * 返回 object 可枚举属性的键值数组。
 *
 * @param o — Object that contains the properties and methods. This can be an object that you
 *   created or an existing Document Object Model (DOM) object.
 * @param o - 包含属性和方法的对象。这可以是你创建的对象或现有文档对象模型（DOM）对象。
 */
declare const objectEntries: <Type extends Record<PropertyKey, unknown>>(o: Type) => [`${Exclude<keyof Type, symbol>}`, Type[`${Exclude<keyof Type, symbol>}`]][];
/**
 * Returns an object created by key-value entries for properties and methods.
 *
 * 返回由属性和方法的键值条目创建的对象。
 *
 * @param entries — An iterable object that contains key-value entries for properties and methods.
 * @param entries - 一个可迭代对象，包含属性和方法的键值条目。
 */
declare const objectFromEntries: <Key extends PropertyKey, Entries extends readonly (readonly [Key, unknown])[]>(entries: Entries) => { [K in Extract<Entries[number], readonly [Key, unknown]>[0]]: Extract<Entries[number], readonly [K, unknown]>[1]; };

/**
 * Sleep 💤, then call `callback` if passed.
 *
 * 休眠 💤，之后如果传递了 `callback` 就会调用它。
 *
 * @param ms - milliseconds to sleep
 * @param ms - 要休眠的毫秒数
 * @param callback - the function called after awake
 * @param callback - 休眠后要调用的方法
 */
declare function sleep(ms: number, callback?: Fn | PromisifyFn<Fn>): Promise<void>;

/**
 * Determines whether a set includes a certain element, returning true or false as appropriate.
 *
 * 确定 set 是否包含某个元素，返回 true 或 false。
 *
 * @param set - The set to search in.
 * @param set - 需要搜索的 set。
 * @param value - The element to search for.
 * @param value - 需要搜索的元素。
 */
declare function setHas<Type extends SuperType, SuperType = unknown>(set: Set<Type> | ReadonlySet<Type>, value: SuperType): value is Type;

/**
 * Convert string to lower case.
 *
 * 将字符串转换成小写。
 */
declare function lowerCase(string: string): string;
/**
 * Convert string to locale lower case.
 *
 * 将字符串转换成本地小写。
 */
declare function localeLowerCase(string: string, locales?: string | string[]): string;
/**
 * Convert first char to lower case.
 *
 * 将第一个字符转换成小写。
 */
declare function lowerCaseFirst(string: string): string;
/**
 * Convert string to upper case.
 *
 * 将字符串转换成大写。
 */
declare function upperCase(string: string): string;
/**
 * Convert string to locale upper case.
 *
 * 将字符串转换成本地大写。
 */
declare function localeUpperCase(string: string, locales?: string | string[]): string;
/**
 * Convert first char to upper case.
 *
 * 将第一个字符转换成大写。
 */
declare function upperCaseFirst(string: string): string;
/**
 * Convert value to string.
 *
 * Try `value.toString()` first, then `Object#toString.call(value)`.
 *
 * 将值转换成字符串。
 *
 * 首先尝试 `value.toString()`，然后再尝试 `Object#toString.call(value)`。
 *
 * @example toString(undefined) => '[object Undefined]'
 *
 * @example toString(null) => '[object Null]'
 *
 * @example toString(0) => '0'
 *
 * @example toString(Symbol('test')) => 'Symbol(test)'
 *
 * @example toString([1,2,3]) => '1,2,3'
 */
declare function toString(v: any): string;

export { AnyFn, AnyRecord, Arrayable, Awaitable, ElementOf, Falsy, Fn, MaybeArray, MaybeNull, MaybePromise, MaybePromiseLike, MaybeUndefined, NonNullable, NonNullish, NonUndefinable, Nullable, Nullish, Optional, Promisable, PromisifyAnyFn, PromisifyFn, Undefinable, arrayIncludes, debounce, difference, getTimestamp, getType, intersection, isArray, isBigInt, isBlob, isBoolean, isDeepEqual, isEqual, isFile, isFunction, isNull, isNullish, isNumber, isObject, isString, isSymbol, isUndefined, localeLowerCase, localeUpperCase, lowerCase, lowerCaseFirst, noop, objectEntries, objectFromEntries, objectKeys, pipe, range, setHas, sleep, throttle, toArray, toString, union, uniq, upperCase, upperCaseFirst };