declare module "util" {

interface InspectOptions extends NodeJS.InspectOptions { }

type Style = 'special' | 'number' | 'bigint' | 'boolean' | 'undefined' | 'null' | 'string' | 'symbol' | 'date' | 'regexp' | 'module';

type CustomInspectFunction = (depth: number, options: InspectOptionsStylized) => string;

interface InspectOptionsStylized extends InspectOptions {

stylize(text: string, styleType: Style): string;

}

function format(format: any, ...param: any[]): string;

function formatWithOptions(inspectOptions: InspectOptions, format: string, ...param: any[]): string;

/** @deprecated since v0.11.3 - use a third party module instead. */

function log(string: string): void;

function inspect(object: any, showHidden?: boolean, depth?: number | null, color?: boolean): string;

function inspect(object: any, options: InspectOptions): string;

namespace inspect {

let colors: NodeJS.Dict<[number, number]>;

let styles: {

[K in Style]: string

};

let defaultOptions: InspectOptions;

/**

* Allows changing inspect settings from the repl.

*/

let replDefaults: InspectOptions;

const custom: unique symbol;

}

/** @deprecated since v4.0.0 - use `Array.isArray()` instead. */

function isArray(object: any): object is any[];

/** @deprecated since v4.0.0 - use `util.types.isRegExp()` instead. */

function isRegExp(object: any): object is RegExp;

/** @deprecated since v4.0.0 - use `util.types.isDate()` instead. */

function isDate(object: any): object is Date;

/** @deprecated since v4.0.0 - use `util.types.isNativeError()` instead. */

function isError(object: any): object is Error;

function inherits(constructor: any, superConstructor: any): void;

function debuglog(key: string): (msg: string, ...param: any[]) => void;

/** @deprecated since v4.0.0 - use `typeof value === 'boolean'` instead. */

function isBoolean(object: any): object is boolean;

/** @deprecated since v4.0.0 - use `Buffer.isBuffer()` instead. */

function isBuffer(object: any): object is Buffer;

/** @deprecated since v4.0.0 - use `typeof value === 'function'` instead. */

function isFunction(object: any): boolean;

/** @deprecated since v4.0.0 - use `value === null` instead. */

function isNull(object: any): object is null;

/** @deprecated since v4.0.0 - use `value === null || value === undefined` instead. */

function isNullOrUndefined(object: any): object is null | undefined;

/** @deprecated since v4.0.0 - use `typeof value === 'number'` instead. */

function isNumber(object: any): object is number;

/** @deprecated since v4.0.0 - use `value !== null && typeof value === 'object'` instead. */

function isObject(object: any): boolean;

/** @deprecated since v4.0.0 - use `(typeof value !== 'object' && typeof value !== 'function') || value === null` instead. */

function isPrimitive(object: any): boolean;

/** @deprecated since v4.0.0 - use `typeof value === 'string'` instead. */

function isString(object: any): object is string;

/** @deprecated since v4.0.0 - use `typeof value === 'symbol'` instead. */

function isSymbol(object: any): object is symbol;

/** @deprecated since v4.0.0 - use `value === undefined` instead. */

function isUndefined(object: any): object is undefined;

function deprecate<T extends Function>(fn: T, message: string, code?: string): T;

function isDeepStrictEqual(val1: any, val2: any): boolean;

function callbackify(fn: () => Promise<void>): (callback: (err: NodeJS.ErrnoException) => void) => void;

function callbackify<TResult>(fn: () => Promise<TResult>): (callback: (err: NodeJS.ErrnoException, result: TResult) => void) => void;

function callbackify<T1>(fn: (arg1: T1) => Promise<void>): (arg1: T1, callback: (err: NodeJS.ErrnoException) => void) => void;

function callbackify<T1, TResult>(fn: (arg1: T1) => Promise<TResult>): (arg1: T1, callback: (err: NodeJS.ErrnoException, result: TResult) => void) => void;

function callbackify<T1, T2>(fn: (arg1: T1, arg2: T2) => Promise<void>): (arg1: T1, arg2: T2, callback: (err: NodeJS.ErrnoException) => void) => void;

function callbackify<T1, T2, TResult>(fn: (arg1: T1, arg2: T2) => Promise<TResult>): (arg1: T1, arg2: T2, callback: (err: NodeJS.ErrnoException | null, result: TResult) => void) => void;

function callbackify<T1, T2, T3>(fn: (arg1: T1, arg2: T2, arg3: T3) => Promise<void>): (arg1: T1, arg2: T2, arg3: T3, callback: (err: NodeJS.ErrnoException) => void) => void;

function callbackify<T1, T2, T3, TResult>(

fn: (arg1: T1, arg2: T2, arg3: T3) => Promise<TResult>): (arg1: T1, arg2: T2, arg3: T3, callback: (err: NodeJS.ErrnoException | null, result: TResult) => void) => void;

function callbackify<T1, T2, T3, T4>(

fn: (arg1: T1, arg2: T2, arg3: T3, arg4: T4) => Promise<void>): (arg1: T1, arg2: T2, arg3: T3, arg4: T4, callback: (err: NodeJS.ErrnoException) => void) => void;

function callbackify<T1, T2, T3, T4, TResult>(

fn: (arg1: T1, arg2: T2, arg3: T3, arg4: T4) => Promise<TResult>): (arg1: T1, arg2: T2, arg3: T3, arg4: T4, callback: (err: NodeJS.ErrnoException | null, result: TResult) => void) => void;

function callbackify<T1, T2, T3, T4, T5>(

fn: (arg1: T1, arg2: T2, arg3: T3, arg4: T4, arg5: T5) => Promise<void>): (arg1: T1, arg2: T2, arg3: T3, arg4: T4, arg5: T5, callback: (err: NodeJS.ErrnoException) => void) => void;

function callbackify<T1, T2, T3, T4, T5, TResult>(

fn: (arg1: T1, arg2: T2, arg3: T3, arg4: T4, arg5: T5) => Promise<TResult>,

): (arg1: T1, arg2: T2, arg3: T3, arg4: T4, arg5: T5, callback: (err: NodeJS.ErrnoException | null, result: TResult) => void) => void;

function callbackify<T1, T2, T3, T4, T5, T6>(

fn: (arg1: T1, arg2: T2, arg3: T3, arg4: T4, arg5: T5, arg6: T6) => Promise<void>,

): (arg1: T1, arg2: T2, arg3: T3, arg4: T4, arg5: T5, arg6: T6, callback: (err: NodeJS.ErrnoException) => void) => void;

function callbackify<T1, T2, T3, T4, T5, T6, TResult>(

fn: (arg1: T1, arg2: T2, arg3: T3, arg4: T4, arg5: T5, arg6: T6) => Promise<TResult>

): (arg1: T1, arg2: T2, arg3: T3, arg4: T4, arg5: T5, arg6: T6, callback: (err: NodeJS.ErrnoException | null, result: TResult) => void) => void;

interface CustomPromisifyLegacy<TCustom extends Function> extends Function {

__promisify__: TCustom;

}

interface CustomPromisifySymbol<TCustom extends Function> extends Function {

[promisify.custom]: TCustom;

}

type CustomPromisify<TCustom extends Function> = CustomPromisifySymbol<TCustom> | CustomPromisifyLegacy<TCustom>;

function promisify<TCustom extends Function>(fn: CustomPromisify<TCustom>): TCustom;

function promisify<TResult>(fn: (callback: (err: any, result: TResult) => void) => void): () => Promise<TResult>;

function promisify(fn: (callback: (err?: any) => void) => void): () => Promise<void>;

function promisify<T1, TResult>(fn: (arg1: T1, callback: (err: any, result: TResult) => void) => void): (arg1: T1) => Promise<TResult>;

function promisify<T1>(fn: (arg1: T1, callback: (err?: any) => void) => void): (arg1: T1) => Promise<void>;

function promisify<T1, T2, TResult>(fn: (arg1: T1, arg2: T2, callback: (err: any, result: TResult) => void) => void): (arg1: T1, arg2: T2) => Promise<TResult>;

function promisify<T1, T2>(fn: (arg1: T1, arg2: T2, callback: (err?: any) => void) => void): (arg1: T1, arg2: T2) => Promise<void>;

function promisify<T1, T2, T3, TResult>(fn: (arg1: T1, arg2: T2, arg3: T3, callback: (err: any, result: TResult) => void) => void):

(arg1: T1, arg2: T2, arg3: T3) => Promise<TResult>;

function promisify<T1, T2, T3>(fn: (arg1: T1, arg2: T2, arg3: T3, callback: (err?: any) => void) => void): (arg1: T1, arg2: T2, arg3: T3) => Promise<void>;

function promisify<T1, T2, T3, T4, TResult>(

fn: (arg1: T1, arg2: T2, arg3: T3, arg4: T4, callback: (err: any, result: TResult) => void) => void,

): (arg1: T1, arg2: T2, arg3: T3, arg4: T4) => Promise<TResult>;

function promisify<T1, T2, T3, T4>(fn: (arg1: T1, arg2: T2, arg3: T3, arg4: T4, callback: (err?: any) => void) => void):

(arg1: T1, arg2: T2, arg3: T3, arg4: T4) => Promise<void>;

function promisify<T1, T2, T3, T4, T5, TResult>(

fn: (arg1: T1, arg2: T2, arg3: T3, arg4: T4, arg5: T5, callback: (err: any, result: TResult) => void) => void,

): (arg1: T1, arg2: T2, arg3: T3, arg4: T4, arg5: T5) => Promise<TResult>;

function promisify<T1, T2, T3, T4, T5>(

fn: (arg1: T1, arg2: T2, arg3: T3, arg4: T4, arg5: T5, callback: (err?: any) => void) => void,

): (arg1: T1, arg2: T2, arg3: T3, arg4: T4, arg5: T5) => Promise<void>;

function promisify(fn: Function): Function;

namespace promisify {

const custom: unique symbol;

}

namespace types {

function isAnyArrayBuffer(object: any): boolean;

function isArgumentsObject(object: any): object is IArguments;

function isArrayBuffer(object: any): object is ArrayBuffer;

function isArrayBufferView(object: any): object is ArrayBufferView;

function isAsyncFunction(object: any): boolean;

function isBigInt64Array(value: any): value is BigInt64Array;

function isBigUint64Array(value: any): value is BigUint64Array;

function isBooleanObject(object: any): object is Boolean;

function isBoxedPrimitive(object: any): object is (Number | Boolean | String | Symbol /* | Object(BigInt) | Object(Symbol) */);

function isDataView(object: any): object is DataView;

function isDate(object: any): object is Date;

function isExternal(object: any): boolean;

function isFloat32Array(object: any): object is Float32Array;

function isFloat64Array(object: any): object is Float64Array;

function isGeneratorFunction(object: any): boolean;

function isGeneratorObject(object: any): boolean;

function isInt8Array(object: any): object is Int8Array;

function isInt16Array(object: any): object is Int16Array;

function isInt32Array(object: any): object is Int32Array;

function isMap(object: any): boolean;

function isMapIterator(object: any): boolean;

function isModuleNamespaceObject(value: any): boolean;

function isNativeError(object: any): object is Error;

function isNumberObject(object: any): object is Number;

function isPromise(object: any): boolean;

function isProxy(object: any): boolean;

function isRegExp(object: any): object is RegExp;

function isSet(object: any): boolean;

function isSetIterator(object: any): boolean;

function isSharedArrayBuffer(object: any): boolean;

function isStringObject(object: any): boolean;

function isSymbolObject(object: any): boolean;

function isTypedArray(object: any): object is NodeJS.TypedArray;

function isUint8Array(object: any): object is Uint8Array;

function isUint8ClampedArray(object: any): object is Uint8ClampedArray;

function isUint16Array(object: any): object is Uint16Array;

function isUint32Array(object: any): object is Uint32Array;

function isWeakMap(object: any): boolean;

function isWeakSet(object: any): boolean;

function isWebAssemblyCompiledModule(object: any): boolean;

}

class TextDecoder {

readonly encoding: string;

readonly fatal: boolean;

readonly ignoreBOM: boolean;

constructor(

encoding?: string,

options?: { fatal?: boolean; ignoreBOM?: boolean }

);

decode(

input?: NodeJS.ArrayBufferView | ArrayBuffer | null,

options?: { stream?: boolean }

): string;

}

interface EncodeIntoResult {

/**

* The read Unicode code units of input.

*/

read: number;

/**

* The written UTF-8 bytes of output.

*/

written: number;

}

class TextEncoder {

readonly encoding: string;

encode(input?: string): Uint8Array;

encodeInto(input: string, output: Uint8Array): EncodeIntoResult;

}

}