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﻿/**
 * A stream is an abstract interface for working with streaming data in Node.js.
 * The `node:stream` module provides an API for implementing the stream interface.
 *
 * There are many stream objects provided by Node.js. For instance, a [request to an HTTP server](https://nodejs.org/docs/latest-v20.x/api/http.html#class-httpincomingmessage)
 * and [`process.stdout`](https://nodejs.org/docs/latest-v20.x/api/process.html#processstdout) are both stream instances.
 *
 * Streams can be readable, writable, or both. All streams are instances of [`EventEmitter`](https://nodejs.org/docs/latest-v20.x/api/events.html#class-eventemitter).
 *
 * To access the `node:stream` module:
 *
 * ```js
 * const stream = require('node:stream');
 * ```
 *
 * The `node:stream` module is useful for creating new types of stream instances.
 * It is usually not necessary to use the `node:stream` module to consume streams.
 * @see [source](https://github.com/nodejs/node/blob/v20.13.1/lib/stream.js)
 */
declare module "stream" {
    import { Abortable, EventEmitter } from "node:events";
    import { Blob as NodeBlob } from "node:buffer";
    import * as streamPromises from "node:stream/promises";
    import * as streamConsumers from "node:stream/consumers";
    import * as streamWeb from "node:stream/web";

    type ComposeFnParam = (source: any) => void;

    class internal extends EventEmitter {
        pipe<T extends NodeJS.WritableStream>(
            destination: T,
            options?: {
                end?: boolean | undefined;
            },
        ): T;
        compose<T extends NodeJS.ReadableStream>(
            stream: T | ComposeFnParam | Iterable<T> | AsyncIterable<T>,
            options?: { signal: AbortSignal },
        ): T;
    }
    import Stream = internal.Stream;
    import Readable = internal.Readable;
    import ReadableOptions = internal.ReadableOptions;
    interface ArrayOptions {
        /**
         * The maximum concurrent invocations of `fn` to call on the stream at once.
         * @default 1
         */
        concurrency?: number;
        /** Allows destroying the stream if the signal is aborted. */
        signal?: AbortSignal;
    }
    class ReadableBase extends Stream implements NodeJS.ReadableStream {
        /**
         * A utility method for creating Readable Streams out of iterators.
         * @since v12.3.0, v10.17.0
         * @param iterable Object implementing the `Symbol.asyncIterator` or `Symbol.iterator` iterable protocol. Emits an 'error' event if a null value is passed.
         * @param options Options provided to `new stream.Readable([options])`. By default, `Readable.from()` will set `options.objectMode` to `true`, unless this is explicitly opted out by setting `options.objectMode` to `false`.
         */
        static from(iterable: Iterable<any> | AsyncIterable<any>, options?: ReadableOptions): Readable;
        /**
         * Returns whether the stream has been read from or cancelled.
         * @since v16.8.0
         */
        static isDisturbed(stream: Readable | NodeJS.ReadableStream): boolean;
        /**
         * Returns whether the stream was destroyed or errored before emitting `'end'`.
         * @since v16.8.0
         * @experimental
         */
        readonly readableAborted: boolean;
        /**
         * Is `true` if it is safe to call {@link read}, which means
         * the stream has not been destroyed or emitted `'error'` or `'end'`.
         * @since v11.4.0
         */
        readable: boolean;
        /**
         * Returns whether `'data'` has been emitted.
         * @since v16.7.0, v14.18.0
         * @experimental
         */
        readonly readableDidRead: boolean;
        /**
         * Getter for the property `encoding` of a given `Readable` stream. The `encoding` property can be set using the {@link setEncoding} method.
         * @since v12.7.0
         */
        readonly readableEncoding: BufferEncoding | null;
        /**
         * Becomes `true` when [`'end'`](https://nodejs.org/docs/latest-v20.x/api/stream.html#event-end) event is emitted.
         * @since v12.9.0
         */
        readonly readableEnded: boolean;
        /**
         * This property reflects the current state of a `Readable` stream as described
         * in the [Three states](https://nodejs.org/docs/latest-v20.x/api/stream.html#three-states) section.
         * @since v9.4.0
         */
        readonly readableFlowing: boolean | null;
        /**
         * Returns the value of `highWaterMark` passed when creating this `Readable`.
         * @since v9.3.0
         */
        readonly readableHighWaterMark: number;
        /**
         * This property contains the number of bytes (or objects) in the queue
         * ready to be read. The value provides introspection data regarding
         * the status of the `highWaterMark`.
         * @since v9.4.0
         */
        readonly readableLength: number;
        /**
         * Getter for the property `objectMode` of a given `Readable` stream.
         * @since v12.3.0
         */
        readonly readableObjectMode: boolean;
        /**
         * Is `true` after `readable.destroy()` has been called.
         * @since v8.0.0
         */
        destroyed: boolean;
        /**
         * Is `true` after `'close'` has been emitted.
         * @since v18.0.0
         */
        readonly closed: boolean;
        /**
         * Returns error if the stream has been destroyed with an error.
         * @since v18.0.0
         */
        readonly errored: Error | null;
        constructor(opts?: ReadableOptions);
        _construct?(callback: (error?: Error | null) => void): void;
        _read(size: number): void;
        /**
         * The `readable.read()` method reads data out of the internal buffer and
         * returns it. If no data is available to be read, `null` is returned. By default,
         * the data is returned as a `Buffer` object unless an encoding has been
         * specified using the `readable.setEncoding()` method or the stream is operating
         * in object mode.
         *
         * The optional `size` argument specifies a specific number of bytes to read. If
         * `size` bytes are not available to be read, `null` will be returned _unless_ the
         * stream has ended, in which case all of the data remaining in the internal buffer
         * will be returned.
         *
         * If the `size` argument is not specified, all of the data contained in the
         * internal buffer will be returned.
         *
         * The `size` argument must be less than or equal to 1 GiB.
         *
         * The `readable.read()` method should only be called on `Readable` streams
         * operating in paused mode. In flowing mode, `readable.read()` is called
         * automatically until the internal buffer is fully drained.
         *
         * ```js
         * const readable = getReadableStreamSomehow();
         *
         * // 'readable' may be triggered multiple times as data is buffered in
         * readable.on('readable', () => {
         *   let chunk;
         *   console.log('Stream is readable (new data received in buffer)');
         *   // Use a loop to make sure we read all currently available data
         *   while (null !== (chunk = readable.read())) {
         *     console.log(`Read ${chunk.length} bytes of data...`);
         *   }
         * });
         *
         * // 'end' will be triggered once when there is no more data available
         * readable.on('end', () => {
         *   console.log('Reached end of stream.');
         * });
         * ```
         *
         * Each call to `readable.read()` returns a chunk of data, or `null`. The chunks
         * are not concatenated. A `while` loop is necessary to consume all data
         * currently in the buffer. When reading a large file `.read()` may return `null`,
         * having consumed all buffered content so far, but there is still more data to
         * come not yet buffered. In this case a new `'readable'` event will be emitted
         * when there is more data in the buffer. Finally the `'end'` event will be
         * emitted when there is no more data to come.
         *
         * Therefore to read a file's whole contents from a `readable`, it is necessary
         * to collect chunks across multiple `'readable'` events:
         *
         * ```js
         * const chunks = [];
         *
         * readable.on('readable', () => {
         *   let chunk;
         *   while (null !== (chunk = readable.read())) {
         *     chunks.push(chunk);
         *   }
         * });
         *
         * readable.on('end', () => {
         *   const content = chunks.join('');
         * });
         * ```
         *
         * A `Readable` stream in object mode will always return a single item from
         * a call to `readable.read(size)`, regardless of the value of the `size` argument.
         *
         * If the `readable.read()` method returns a chunk of data, a `'data'` event will
         * also be emitted.
         *
         * Calling {@link read} after the `'end'` event has
         * been emitted will return `null`. No runtime error will be raised.
         * @since v0.9.4
         * @param size Optional argument to specify how much data to read.
         */
        read(size?: number): any;
        /**
         * The `readable.setEncoding()` method sets the character encoding for
         * data read from the `Readable` stream.
         *
         * By default, no encoding is assigned and stream data will be returned as `Buffer` objects. Setting an encoding causes the stream data
         * to be returned as strings of the specified encoding rather than as `Buffer` objects. For instance, calling `readable.setEncoding('utf8')` will cause the
         * output data to be interpreted as UTF-8 data, and passed as strings. Calling `readable.setEncoding('hex')` will cause the data to be encoded in hexadecimal
         * string format.
         *
         * The `Readable` stream will properly handle multi-byte characters delivered
         * through the stream that would otherwise become improperly decoded if simply
         * pulled from the stream as `Buffer` objects.
         *
         * ```js
         * const readable = getReadableStreamSomehow();
         * readable.setEncoding('utf8');
         * readable.on('data', (chunk) => {
         *   assert.equal(typeof chunk, 'string');
         *   console.log('Got %d characters of string data:', chunk.length);
         * });
         * ```
         * @since v0.9.4
         * @param encoding The encoding to use.
         */
        setEncoding(encoding: BufferEncoding): this;
        /**
         * The `readable.pause()` method will cause a stream in flowing mode to stop
         * emitting `'data'` events, switching out of flowing mode. Any data that
         * becomes available will remain in the internal buffer.
         *
         * ```js
         * const readable = getReadableStreamSomehow();
         * readable.on('data', (chunk) => {
         *   console.log(`Received ${chunk.length} bytes of data.`);
         *   readable.pause();
         *   console.log('There will be no additional data for 1 second.');
         *   setTimeout(() => {
         *     console.log('Now data will start flowing again.');
         *     readable.resume();
         *   }, 1000);
         * });
         * ```
         *
         * The `readable.pause()` method has no effect if there is a `'readable'` event listener.
         * @since v0.9.4
         */
        pause(): this;
        /**
         * The `readable.resume()` method causes an explicitly paused `Readable` stream to
         * resume emitting `'data'` events, switching the stream into flowing mode.
         *
         * The `readable.resume()` method can be used to fully consume the data from a
         * stream without actually processing any of that data:
         *
         * ```js
         * getReadableStreamSomehow()
         *   .resume()
         *   .on('end', () => {
         *     console.log('Reached the end, but did not read anything.');
         *   });
         * ```
         *
         * The `readable.resume()` method has no effect if there is a `'readable'` event listener.
         * @since v0.9.4
         */
        resume(): this;
        /**
         * The `readable.isPaused()` method returns the current operating state of the `Readable`.
         * This is used primarily by the mechanism that underlies the `readable.pipe()` method.
         * In most typical cases, there will be no reason to use this method directly.
         *
         * ```js
         * const readable = new stream.Readable();
         *
         * readable.isPaused(); // === false
         * readable.pause();
         * readable.isPaused(); // === true
         * readable.resume();
         * readable.isPaused(); // === false
         * ```
         * @since v0.11.14
         */
        isPaused(): boolean;
        /**
         * The `readable.unpipe()` method detaches a `Writable` stream previously attached
         * using the {@link pipe} method.
         *
         * If the `destination` is not specified, then _all_ pipes are detached.
         *
         * If the `destination` is specified, but no pipe is set up for it, then
         * the method does nothing.
         *
         * ```js
         * const fs = require('node:fs');
         * const readable = getReadableStreamSomehow();
         * const writable = fs.createWriteStream('file.txt');
         * // All the data from readable goes into 'file.txt',
         * // but only for the first second.
         * readable.pipe(writable);
         * setTimeout(() => {
         *   console.log('Stop writing to file.txt.');
         *   readable.unpipe(writable);
         *   console.log('Manually close the file stream.');
         *   writable.end();
         * }, 1000);
         * ```
         * @since v0.9.4
         * @param destination Optional specific stream to unpipe
         */
        unpipe(destination?: NodeJS.WritableStream): this;
        /**
         * Passing `chunk` as `null` signals the end of the stream (EOF) and behaves the
         * same as `readable.push(null)`, after which no more data can be written. The EOF
         * signal is put at the end of the buffer and any buffered data will still be
         * flushed.
         *
         * The `readable.unshift()` method pushes a chunk of data back into the internal
         * buffer. This is useful in certain situations where a stream is being consumed by
         * code that needs to "un-consume" some amount of data that it has optimistically
         * pulled out of the source, so that the data can be passed on to some other party.
         *
         * The `stream.unshift(chunk)` method cannot be called after the `'end'` event
         * has been emitted or a runtime error will be thrown.
         *
         * Developers using `stream.unshift()` often should consider switching to
         * use of a `Transform` stream instead. See the `API for stream implementers` section for more information.
         *
         * ```js
         * // Pull off a header delimited by \n\n.
         * // Use unshift() if we get too much.
         * // Call the callback with (error, header, stream).
         * const { StringDecoder } = require('node:string_decoder');
         * function parseHeader(stream, callback) {
         *   stream.on('error', callback);
         *   stream.on('readable', onReadable);
         *   const decoder = new StringDecoder('utf8');
         *   let header = '';
         *   function onReadable() {
         *     let chunk;
         *     while (null !== (chunk = stream.read())) {
         *       const str = decoder.write(chunk);
         *       if (str.includes('\n\n')) {
         *         // Found the header boundary.
         *         const split = str.split(/\n\n/);
         *         header += split.shift();
         *         const remaining = split.join('\n\n');
         *         const buf = Buffer.from(remaining, 'utf8');
         *         stream.removeListener('error', callback);
         *         // Remove the 'readable' listener before unshifting.
         *         stream.removeListener('readable', onReadable);
         *         if (buf.length)
         *           stream.unshift(buf);
         *         // Now the body of the message can be read from the stream.
         *         callback(null, header, stream);
         *         return;
         *       }
         *       // Still reading the header.
         *       header += str;
         *     }
         *   }
         * }
         * ```
         *
         * Unlike {@link push}, `stream.unshift(chunk)` will not
         * end the reading process by resetting the internal reading state of the stream.
         * This can cause unexpected results if `readable.unshift()` is called during a
         * read (i.e. from within a {@link _read} implementation on a
         * custom stream). Following the call to `readable.unshift()` with an immediate {@link push} will reset the reading state appropriately,
         * however it is best to simply avoid calling `readable.unshift()` while in the
         * process of performing a read.
         * @since v0.9.11
         * @param chunk Chunk of data to unshift onto the read queue. For streams not operating in object mode, `chunk` must
         * be a {string}, {Buffer}, {TypedArray}, {DataView} or `null`. For object mode streams, `chunk` may be any JavaScript value.
         * @param encoding Encoding of string chunks. Must be a valid `Buffer` encoding, such as `'utf8'` or `'ascii'`.
         */
        unshift(chunk: any, encoding?: BufferEncoding): void;
        /**
         * Prior to Node.js 0.10, streams did not implement the entire `node:stream` module API as it is currently defined. (See `Compatibility` for more
         * information.)
         *
         * When using an older Node.js library that emits `'data'` events and has a {@link pause} method that is advisory only, the `readable.wrap()` method can be used to create a `Readable`
         * stream that uses
         * the old stream as its data source.
         *
         * It will rarely be necessary to use `readable.wrap()` but the method has been
         * provided as a convenience for interacting with older Node.js applications and
         * libraries.
         *
         * ```js
         * const { OldReader } = require('./old-api-module.js');
         * const { Readable } = require('node:stream');
         * const oreader = new OldReader();
         * const myReader = new Readable().wrap(oreader);
         *
         * myReader.on('readable', () => {
         *   myReader.read(); // etc.
         * });
         * ```
         * @since v0.9.4
         * @param stream An "old style" readable stream
         */
        wrap(stream: NodeJS.ReadableStream): this;
        push(chunk: any, encoding?: BufferEncoding): boolean;
        /**
         * The iterator created by this method gives users the option to cancel the destruction
         * of the stream if the `for await...of` loop is exited by `return`, `break`, or `throw`,
         * or if the iterator should destroy the stream if the stream emitted an error during iteration.
         * @since v16.3.0
         * @param options.destroyOnReturn When set to `false`, calling `return` on the async iterator,
         * or exiting a `for await...of` iteration using a `break`, `return`, or `throw` will not destroy the stream.
         * **Default: `true`**.
         */
        iterator(options?: { destroyOnReturn?: boolean }): AsyncIterableIterator<any>;
        /**
         * This method allows mapping over the stream. The *fn* function will be called for every chunk in the stream.
         * If the *fn* function returns a promise - that promise will be `await`ed before being passed to the result stream.
         * @since v17.4.0, v16.14.0
         * @param fn a function to map over every chunk in the stream. Async or not.
         * @returns a stream mapped with the function *fn*.
         */
        map(fn: (data: any, options?: Pick<ArrayOptions, "signal">) => any, options?: ArrayOptions): Readable;
        /**
         * This method allows filtering the stream. For each chunk in the stream the *fn* function will be called
         * and if it returns a truthy value, the chunk will be passed to the result stream.
         * If the *fn* function returns a promise - that promise will be `await`ed.
         * @since v17.4.0, v16.14.0
         * @param fn a function to filter chunks from the stream. Async or not.
         * @returns a stream filtered with the predicate *fn*.
         */
        filter(
            fn: (data: any, options?: Pick<ArrayOptions, "signal">) => boolean | Promise<boolean>,
            options?: ArrayOptions,
        ): Readable;
        /**
         * This method allows iterating a stream. For each chunk in the stream the *fn* function will be called.
         * If the *fn* function returns a promise - that promise will be `await`ed.
         *
         * This method is different from `for await...of` loops in that it can optionally process chunks concurrently.
         * In addition, a `forEach` iteration can only be stopped by having passed a `signal` option
         * and aborting the related AbortController while `for await...of` can be stopped with `break` or `return`.
         * In either case the stream will be destroyed.
         *
         * This method is different from listening to the `'data'` event in that it uses the `readable` event
         * in the underlying machinary and can limit the number of concurrent *fn* calls.
         * @since v17.5.0
         * @param fn a function to call on each chunk of the stream. Async or not.
         * @returns a promise for when the stream has finished.
         */
        forEach(
            fn: (data: any, options?: Pick<ArrayOptions, "signal">) => void | Promise<void>,
            options?: ArrayOptions,
        ): Promise<void>;
        /**
         * This method allows easily obtaining the contents of a stream.
         *
         * As this method reads the entire stream into memory, it negates the benefits of streams. It's intended
         * for interoperability and convenience, not as the primary way to consume streams.
         * @since v17.5.0
         * @returns a promise containing an array with the contents of the stream.
         */
        toArray(options?: Pick<ArrayOptions, "signal">): Promise<any[]>;
        /**
         * This method is similar to `Array.prototype.some` and calls *fn* on each chunk in the stream
         * until the awaited return value is `true` (or any truthy value). Once an *fn* call on a chunk
         * `await`ed return value is truthy, the stream is destroyed and the promise is fulfilled with `true`.
         * If none of the *fn* calls on the chunks return a truthy value, the promise is fulfilled with `false`.
         * @since v17.5.0
         * @param fn a function to call on each chunk of the stream. Async or not.
         * @returns a promise evaluating to `true` if *fn* returned a truthy value for at least one of the chunks.
         */
        some(
            fn: (data: any, options?: Pick<ArrayOptions, "signal">) => boolean | Promise<boolean>,
            options?: ArrayOptions,
        ): Promise<boolean>;
        /**
         * This method is similar to `Array.prototype.find` and calls *fn* on each chunk in the stream
         * to find a chunk with a truthy value for *fn*. Once an *fn* call's awaited return value is truthy,
         * the stream is destroyed and the promise is fulfilled with value for which *fn* returned a truthy value.
         * If all of the *fn* calls on the chunks return a falsy value, the promise is fulfilled with `undefined`.
         * @since v17.5.0
         * @param fn a function to call on each chunk of the stream. Async or not.
         * @returns a promise evaluating to the first chunk for which *fn* evaluated with a truthy value,
         * or `undefined` if no element was found.
         */
        find<T>(
            fn: (data: any, options?: Pick<ArrayOptions, "signal">) => data is T,
            options?: ArrayOptions,
        ): Promise<T | undefined>;
        find(
            fn: (data: any, options?: Pick<ArrayOptions, "signal">) => boolean | Promise<boolean>,
            options?: ArrayOptions,
        ): Promise<any>;
        /**
         * This method is similar to `Array.prototype.every` and calls *fn* on each chunk in the stream
         * to check if all awaited return values are truthy value for *fn*. Once an *fn* call on a chunk
         * `await`ed return value is falsy, the stream is destroyed and the promise is fulfilled with `false`.
         * If all of the *fn* calls on the chunks return a truthy value, the promise is fulfilled with `true`.
         * @since v17.5.0
         * @param fn a function to call on each chunk of the stream. Async or not.
         * @returns a promise evaluating to `true` if *fn* returned a truthy value for every one of the chunks.
         */
        every(
            fn: (data: any, options?: Pick<ArrayOptions, "signal">) => boolean | Promise<boolean>,
            options?: ArrayOptions,
        ): Promise<boolean>;
        /**
         * This method returns a new stream by applying the given callback to each chunk of the stream
         * and then flattening the result.
         *
         * It is possible to return a stream or another iterable or async iterable from *fn* and the result streams
         * will be merged (flattened) into the returned stream.
         * @since v17.5.0
         * @param fn a function to map over every chunk in the stream. May be async. May be a stream or generator.
         * @returns a stream flat-mapped with the function *fn*.
         */
        flatMap(fn: (data: any, options?: Pick<ArrayOptions, "signal">) => any, options?: ArrayOptions): Readable;
        /**
         * This method returns a new stream with the first *limit* chunks dropped from the start.
         * @since v17.5.0
         * @param limit the number of chunks to drop from the readable.
         * @returns a stream with *limit* chunks dropped from the start.
         */
        drop(limit: number, options?: Pick<ArrayOptions, "signal">): Readable;
        /**
         * This method returns a new stream with the first *limit* chunks.
         * @since v17.5.0
         * @param limit the number of chunks to take from the readable.
         * @returns a stream with *limit* chunks taken.
         */
        take(limit: number, options?: Pick<ArrayOptions, "signal">): Readable;
        /**
         * This method returns a new stream with chunks of the underlying stream paired with a counter
         * in the form `[index, chunk]`. The first index value is `0` and it increases by 1 for each chunk produced.
         * @since v17.5.0
         * @returns a stream of indexed pairs.
         */
        asIndexedPairs(options?: Pick<ArrayOptions, "signal">): Readable;
        /**
         * This method calls *fn* on each chunk of the stream in order, passing it the result from the calculation
         * on the previous element. It returns a promise for the final value of the reduction.
         *
         * If no *initial* value is supplied the first chunk of the stream is used as the initial value.
         * If the stream is empty, the promise is rejected with a `TypeError` with the `ERR_INVALID_ARGS` code property.
         *
         * The reducer function iterates the stream element-by-element which means that there is no *concurrency* parameter
         * or parallelism. To perform a reduce concurrently, you can extract the async function to `readable.map` method.
         * @since v17.5.0
         * @param fn a reducer function to call over every chunk in the stream. Async or not.
         * @param initial the initial value to use in the reduction.
         * @returns a promise for the final value of the reduction.
         */
        reduce<T = any>(
            fn: (previous: any, data: any, options?: Pick<ArrayOptions, "signal">) => T,
            initial?: undefined,
            options?: Pick<ArrayOptions, "signal">,
        ): Promise<T>;
        reduce<T = any>(
            fn: (previous: T, data: any, options?: Pick<ArrayOptions, "signal">) => T,
            initial: T,
            options?: Pick<ArrayOptions, "signal">,
        ): Promise<T>;
        _destroy(error: Error | null, callback: (error?: Error | null) => void): void;
        /**
         * Destroy the stream. Optionally emit an `'error'` event, and emit a `'close'` event (unless `emitClose` is set to `false`). After this call, the readable
         * stream will release any internal resources and subsequent calls to `push()` will be ignored.
         *
         * Once `destroy()` has been called any further calls will be a no-op and no
         * further errors except from `_destroy()` may be emitted as `'error'`.
         *
         * Implementors should not override this method, but instead implement `readable._destroy()`.
         * @since v8.0.0
         * @param error Error which will be passed as payload in `'error'` event
         */
        destroy(error?: Error): this;
        /**
         * Event emitter
         * The defined events on documents including:
         * 1. close
         * 2. data
         * 3. end
         * 4. error
         * 5. pause
         * 6. readable
         * 7. resume
         */
        addListener(event: "close", listener: () => void): this;
        addListener(event: "data", listener: (chunk: any) => void): this;
        addListener(event: "end", listener: () => void): this;
        addListener(event: "error", listener: (err: Error) => void): this;
        addListener(event: "pause", listener: () => void): this;
        addListener(event: "readable", listener: () => void): this;
        addListener(event: "resume", listener: () => void): this;
        addListener(event: string | symbol, listener: (...args: any[]) => void): this;
        emit(event: "close"): boolean;
        emit(event: "data", chunk: any): boolean;
        emit(event: "end"): boolean;
        emit(event: "error", err: Error): boolean;
        emit(event: "pause"): boolean;
        emit(event: "readable"): boolean;
        emit(event: "resume"): boolean;
        emit(event: string | symbol, ...args: any[]): boolean;
        on(event: "close", listener: () => void): this;
        on(event: "data", listener: (chunk: any) => void): this;
        on(event: "end", listener: () => void): this;
        on(event: "error", listener: (err: Error) => void): this;
        on(event: "pause", listener: () => void): this;
        on(event: "readable", listener: () => void): this;
        on(event: "resume", listener: () => void): this;
        on(event: string | symbol, listener: (...args: any[]) => void): this;
        once(event: "close", listener: () => void): this;
        once(event: "data", listener: (chunk: any) => void): this;
        once(event: "end", listener: () => void): this;
        once(event: "error", listener: (err: Error) => void): this;
        once(event: "pause", listener: () => void): this;
        once(event: "readable", listener: () => void): this;
        once(event: "resume", listener: () => void): this;
        once(event: string | symbol, listener: (...args: any[]) => void): this;
        prependListener(event: "close", listener: () => void): this;
        prependListener(event: "data", listener: (chunk: any) => void): this;
        prependListener(event: "end", listener: () => void): this;
        prependListener(event: "error", listener: (err: Error) => void): this;
        prependListener(event: "pause", listener: () => void): this;
        prependListener(event: "readable", listener: () => void): this;
        prependListener(event: "resume", listener: () => void): this;
        prependListener(event: string | symbol, listener: (...args: any[]) => void): this;
        prependOnceListener(event: "close", listener: () => void): this;
        prependOnceListener(event: "data", listener: (chunk: any) => void): this;
        prependOnceListener(event: "end", listener: () => void): this;
        prependOnceListener(event: "error", listener: (err: Error) => void): this;
        prependOnceListener(event: "pause", listener: () => void): this;
        prependOnceListener(event: "readable", listener: () => void): this;
        prependOnceListener(event: "resume", listener: () => void): this;
        prependOnceListener(event: string | symbol, listener: (...args: any[]) => void): this;
        removeListener(event: "close", listener: () => void): this;
        removeListener(event: "data", listener: (chunk: any) => void): this;
        removeListener(event: "end", listener: () => void): this;
        removeListener(event: "error", listener: (err: Error) => void): this;
        removeListener(event: "pause", listener: () => void): this;
        removeListener(event: "readable", listener: () => void): this;
        removeListener(event: "resume", listener: () => void): this;
        removeListener(event: string | symbol, listener: (...args: any[]) => void): this;
        [Symbol.asyncIterator](): AsyncIterableIterator<any>;
        /**
         * Calls `readable.destroy()` with an `AbortError` and returns a promise that fulfills when the stream is finished.
         * @since v20.4.0
         */
        [Symbol.asyncDispose](): Promise<void>;
    }
    import WritableOptions = internal.WritableOptions;
    class WritableBase extends Stream implements NodeJS.WritableStream {
        /**
         * Is `true` if it is safe to call `writable.write()`, which means
         * the stream has not been destroyed, errored, or ended.
         * @since v11.4.0
         */
        readonly writable: boolean;
        /**
         * Is `true` after `writable.end()` has been called. This property
         * does not indicate whether the data has been flushed, for this use `writable.writableFinished` instead.
         * @since v12.9.0
         */
        readonly writableEnded: boolean;
        /**
         * Is set to `true` immediately before the `'finish'` event is emitted.
         * @since v12.6.0
         */
        readonly writableFinished: boolean;
        /**
         * Return the value of `highWaterMark` passed when creating this `Writable`.
         * @since v9.3.0
         */
        readonly writableHighWaterMark: number;
        /**
         * This property contains the number of bytes (or objects) in the queue
         * ready to be written. The value provides introspection data regarding
         * the status of the `highWaterMark`.
         * @since v9.4.0
         */
        readonly writableLength: number;
        /**
         * Getter for the property `objectMode` of a given `Writable` stream.
         * @since v12.3.0
         */
        readonly writableObjectMode: boolean;
        /**
         * Number of times `writable.uncork()` needs to be
         * called in order to fully uncork the stream.
         * @since v13.2.0, v12.16.0
         */
        readonly writableCorked: number;
        /**
         * Is `true` after `writable.destroy()` has been called.
         * @since v8.0.0
         */
        destroyed: boolean;
        /**
         * Is `true` after `'close'` has been emitted.
         * @since v18.0.0
         */
        readonly closed: boolean;
        /**
         * Returns error if the stream has been destroyed with an error.
         * @since v18.0.0
         */
        readonly errored: Error | null;
        /**
         * Is `true` if the stream's buffer has been full and stream will emit `'drain'`.
         * @since v15.2.0, v14.17.0
         */
        readonly writableNeedDrain: boolean;
        constructor(opts?: WritableOptions);
        _write(chunk: any, encoding: BufferEncoding, callback: (error?: Error | null) => void): void;
        _writev?(
            chunks: Array<{
                chunk: any;
                encoding: BufferEncoding;
            }>,
            callback: (error?: Error | null) => void,
        ): void;
        _construct?(callback: (error?: Error | null) => void): void;
        _destroy(error: Error | null, callback: (error?: Error | null) => void): void;
        _final(callback: (error?: Error | null) => void): void;
        /**
         * The `writable.write()` method writes some data to the stream, and calls the
         * supplied `callback` once the data has been fully handled. If an error
         * occurs, the `callback` will be called with the error as its
         * first argument. The `callback` is called asynchronously and before `'error'` is
         * emitted.
         *
         * The return value is `true` if the internal buffer is less than the `highWaterMark` configured when the stream was created after admitting `chunk`.
         * If `false` is returned, further attempts to write data to the stream should
         * stop until the `'drain'` event is emitted.
         *
         * While a stream is not draining, calls to `write()` will buffer `chunk`, and
         * return false. Once all currently buffered chunks are drained (accepted for
         * delivery by the operating system), the `'drain'` event will be emitted.
         * Once `write()` returns false, do not write more chunks
         * until the `'drain'` event is emitted. While calling `write()` on a stream that
         * is not draining is allowed, Node.js will buffer all written chunks until
         * maximum memory usage occurs, at which point it will abort unconditionally.
         * Even before it aborts, high memory usage will cause poor garbage collector
         * performance and high RSS (which is not typically released back to the system,
         * even after the memory is no longer required). Since TCP sockets may never
         * drain if the remote peer does not read the data, writing a socket that is
         * not draining may lead to a remotely exploitable vulnerability.
         *
         * Writing data while the stream is not draining is particularly
         * problematic for a `Transform`, because the `Transform` streams are paused
         * by default until they are piped or a `'data'` or `'readable'` event handler
         * is added.
         *
         * If the data to be written can be generated or fetched on demand, it is
         * recommended to encapsulate the logic into a `Readable` and use {@link pipe}. However, if calling `write()` is preferred, it is
         * possible to respect backpressure and avoid memory issues using the `'drain'` event:
         *
         * ```js
         * function write(data, cb) {
         *   if (!stream.write(data)) {
         *     stream.once('drain', cb);
         *   } else {
         *     process.nextTick(cb);
         *   }
         * }
         *
         * // Wait for cb to be called before doing any other write.
         * write('hello', () => {
         *   console.log('Write completed, do more writes now.');
         * });
         * ```
         *
         * A `Writable` stream in object mode will always ignore the `encoding` argument.
         * @since v0.9.4
         * @param chunk Optional data to write. For streams not operating in object mode, `chunk` must be a {string}, {Buffer},
         * {TypedArray} or {DataView}. For object mode streams, `chunk` may be any JavaScript value other than `null`.
         * @param [encoding='utf8'] The encoding, if `chunk` is a string.
         * @param callback Callback for when this chunk of data is flushed.
         * @return `false` if the stream wishes for the calling code to wait for the `'drain'` event to be emitted before continuing to write additional data; otherwise `true`.
         */
        write(chunk: any, callback?: (error: Error | null | undefined) => void): boolean;
        write(chunk: any, encoding: BufferEncoding, callback?: (error: Error | null | undefined) => void): boolean;
        /**
         * The `writable.setDefaultEncoding()` method sets the default `encoding` for a `Writable` stream.
         * @since v0.11.15
         * @param encoding The new default encoding
         */
        setDefaultEncoding(encoding: BufferEncoding): this;
        /**
         * Calling the `writable.end()` method signals that no more data will be written
         * to the `Writable`. The optional `chunk` and `encoding` arguments allow one
         * final additional chunk of data to be written immediately before closing the
         * stream.
         *
         * Calling the {@link write} method after calling {@link end} will raise an error.
         *
         * ```js
         * // Write 'hello, ' and then end with 'world!'.
         * const fs = require('node:fs');
         * const file = fs.createWriteStream('example.txt');
         * file.write('hello, ');
         * file.end('world!');
         * // Writing more now is not allowed!
         * ```
         * @since v0.9.4
         * @param chunk Optional data to write. For streams not operating in object mode, `chunk` must be a {string}, {Buffer},
         * {TypedArray} or {DataView}. For object mode streams, `chunk` may be any JavaScript value other than `null`.
         * @param encoding The encoding if `chunk` is a string
         * @param callback Callback for when the stream is finished.
         */
        end(cb?: () => void): this;
        end(chunk: any, cb?: () => void): this;
        end(chunk: any, encoding: BufferEncoding, cb?: () => void): this;
        /**
         * The `writable.cork()` method forces all written data to be buffered in memory.
         * The buffered data will be flushed when either the {@link uncork} or {@link end} methods are called.
         *
         * The primary intent of `writable.cork()` is to accommodate a situation in which
         * several small chunks are written to the stream in rapid succession. Instead of
         * immediately forwarding them to the underlying destination, `writable.cork()` buffers all the chunks until `writable.uncork()` is called, which will pass them
         * all to `writable._writev()`, if present. This prevents a head-of-line blocking
         * situation where data is being buffered while waiting for the first small chunk
         * to be processed. However, use of `writable.cork()` without implementing `writable._writev()` may have an adverse effect on throughput.
         *
         * See also: `writable.uncork()`, `writable._writev()`.
         * @since v0.11.2
         */
        cork(): void;
        /**
         * The `writable.uncork()` method flushes all data buffered since {@link cork} was called.
         *
         * When using `writable.cork()` and `writable.uncork()` to manage the buffering
         * of writes to a stream, defer calls to `writable.uncork()` using `process.nextTick()`. Doing so allows batching of all `writable.write()` calls that occur within a given Node.js event
         * loop phase.
         *
         * ```js
         * stream.cork();
         * stream.write('some ');
         * stream.write('data ');
         * process.nextTick(() => stream.uncork());
         * ```
         *
         * If the `writable.cork()` method is called multiple times on a stream, the
         * same number of calls to `writable.uncork()` must be called to flush the buffered
         * data.
         *
         * ```js
         * stream.cork();
         * stream.write('some ');
         * stream.cork();
         * stream.write('data ');
         * process.nextTick(() => {
         *   stream.uncork();
         *   // The data will not be flushed until uncork() is called a second time.
         *   stream.uncork();
         * });
         * ```
         *
         * See also: `writable.cork()`.
         * @since v0.11.2
         */
        uncork(): void;
        /**
         * Destroy the stream. Optionally emit an `'error'` event, and emit a `'close'` event (unless `emitClose` is set to `false`). After this call, the writable
         * stream has ended and subsequent calls to `write()` or `end()` will result in
         * an `ERR_STREAM_DESTROYED` error.
         * This is a destructive and immediate way to destroy a stream. Previous calls to `write()` may not have drained, and may trigger an `ERR_STREAM_DESTROYED` error.
         * Use `end()` instead of destroy if data should flush before close, or wait for
         * the `'drain'` event before destroying the stream.
         *
         * Once `destroy()` has been called any further calls will be a no-op and no
         * further errors except from `_destroy()` may be emitted as `'error'`.
         *
         * Implementors should not override this method,
         * but instead implement `writable._destroy()`.
         * @since v8.0.0
         * @param error Optional, an error to emit with `'error'` event.
         */
        destroy(error?: Error): this;
        /**
         * Event emitter
         * The defined events on documents including:
         * 1. close
         * 2. drain
         * 3. error
         * 4. finish
         * 5. pipe
         * 6. unpipe
         */
        addListener(event: "close", listener: () => void): this;
        addListener(event: "drain", listener: () => void): this;
        addListener(event: "error", listener: (err: Error) => void): this;
        addListener(event: "finish", listener: () => void): this;
        addListener(event: "pipe", listener: (src: Readable) => void): this;
        addListener(event: "unpipe", listener: (src: Readable) => void): this;
        addListener(event: string | symbol, listener: (...args: any[]) => void): this;
        emit(event: "close"): boolean;
        emit(event: "drain"): boolean;
        emit(event: "error", err: Error): boolean;
        emit(event: "finish"): boolean;
        emit(event: "pipe", src: Readable): boolean;
        emit(event: "unpipe", src: Readable): boolean;
        emit(event: string | symbol, ...args: any[]): boolean;
        on(event: "close", listener: () => void): this;
        on(event: "drain", listener: () => void): this;
        on(event: "error", listener: (err: Error) => void): this;
        on(event: "finish", listener: () => void): this;
        on(event: "pipe", listener: (src: Readable) => void): this;
        on(event: "unpipe", listener: (src: Readable) => void): this;
        on(event: string | symbol, listener: (...args: any[]) => void): this;
        once(event: "close", listener: () => void): this;
        once(event: "drain", listener: () => void): this;
        once(event: "error", listener: (err: Error) => void): this;
        once(event: "finish", listener: () => void): this;
        once(event: "pipe", listener: (src: Readable) => void): this;
        once(event: "unpipe", listener: (src: Readable) => void): this;
        once(event: string | symbol, listener: (...args: any[]) => void): this;
        prependListener(event: "close", listener: () => void): this;
        prependListener(event: "drain", listener: () => void): this;
        prependListener(event: "error", listener: (err: Error) => void): this;
        prependListener(event: "finish", listener: () => void): this;
        prependListener(event: "pipe", listener: (src: Readable) => void): this;
        prependListener(event: "unpipe", listener: (src: Readable) => void): this;
        prependListener(event: string | symbol, listener: (...args: any[]) => void): this;
        prependOnceListener(event: "close", listener: () => void): this;
        prependOnceListener(event: "drain", listener: () => void): this;
        prependOnceListener(event: "error", listener: (err: Error) => void): this;
        prependOnceListener(event: "finish", listener: () => void): this;
        prependOnceListener(event: "pipe", listener: (src: Readable) => void): this;
        prependOnceListener(event: "unpipe", listener: (src: Readable) => void): this;
        prependOnceListener(event: string | symbol, listener: (...args: any[]) => void): this;
        removeListener(event: "close", listener: () => void): this;
        removeListener(event: "drain", listener: () => void): this;
        removeListener(event: "error", listener: (err: Error) => void): this;
        removeListener(event: "finish", listener: () => void): this;
        removeListener(event: "pipe", listener: (src: Readable) => void): this;
        removeListener(event: "unpipe", listener: (src: Readable) => void): this;
        removeListener(event: string | symbol, listener: (...args: any[]) => void): this;
    }
    namespace internal {
        class Stream extends internal {
            constructor(opts?: ReadableOptions);
        }
        interface StreamOptions<T extends Stream> extends Abortable {
            emitClose?: boolean | undefined;
            highWaterMark?: number | undefined;
            objectMode?: boolean | undefined;
            construct?(this: T, callback: (error?: Error | null) => void): void;
            destroy?(this: T, error: Error | null, callback: (error?: Error | null) => void): void;
            autoDestroy?: boolean | undefined;
        }
        interface ReadableOptions extends StreamOptions<Readable> {
            encoding?: BufferEncoding | undefined;
            read?(this: Readable, size: number): void;
        }
        /**
         * @since v0.9.4
         */
        class Readable extends ReadableBase {
            /**
             * A utility method for creating a `Readable` from a web `ReadableStream`.
             * @since v17.0.0
             * @experimental
             */
            static fromWeb(
                readableStream: streamWeb.ReadableStream,
                options?: Pick<ReadableOptions, "encoding" | "highWaterMark" | "objectMode" | "signal">,
            ): Readable;
            /**
             * A utility method for creating a web `ReadableStream` from a `Readable`.
             * @since v17.0.0
             * @experimental
             */
            static toWeb(streamReadable: Readable): streamWeb.ReadableStream;
        }
        interface WritableOptions extends StreamOptions<Writable> {
            decodeStrings?: boolean | undefined;
            defaultEncoding?: BufferEncoding | undefined;
            write?(
                this: Writable,
                chunk: any,
                encoding: BufferEncoding,
                callback: (error?: Error | null) => void,
            ): void;
            writev?(
                this: Writable,
                chunks: Array<{
                    chunk: any;
                    encoding: BufferEncoding;
                }>,
                callback: (error?: Error | null) => void,
            ): void;
            final?(this: Writable, callback: (error?: Error | null) => void): void;
        }
        /**
         * @since v0.9.4
         */
        class Writable extends WritableBase {
            /**
             * A utility method for creating a `Writable` from a web `WritableStream`.
             * @since v17.0.0
             * @experimental
             */
            static fromWeb(
                writableStream: streamWeb.WritableStream,
                options?: Pick<WritableOptions, "decodeStrings" | "highWaterMark" | "objectMode" | "signal">,
            ): Writable;
            /**
             * A utility method for creating a web `WritableStream` from a `Writable`.
             * @since v17.0.0
             * @experimental
             */
            static toWeb(streamWritable: Writable): streamWeb.WritableStream;
        }
        interface DuplexOptions extends ReadableOptions, WritableOptions {
            allowHalfOpen?: boolean | undefined;
            readableObjectMode?: boolean | undefined;
            writableObjectMode?: boolean | undefined;
            readableHighWaterMark?: number | undefined;
            writableHighWaterMark?: number | undefined;
            writableCorked?: number | undefined;
            construct?(this: Duplex, callback: (error?: Error | null) => void): void;
            read?(this: Duplex, size: number): void;
            write?(this: Duplex, chunk: any, encoding: BufferEncoding, callback: (error?: Error | null) => void): void;
            writev?(
                this: Duplex,
                chunks: Array<{
                    chunk: any;
                    encoding: BufferEncoding;
                }>,
                callback: (error?: Error | null) => void,
            ): void;
            final?(this: Duplex, callback: (error?: Error | null) => void): void;
            destroy?(this: Duplex, error: Error | null, callback: (error?: Error | null) => void): void;
        }
        /**
         * Duplex streams are streams that implement both the `Readable` and `Writable` interfaces.
         *
         * Examples of `Duplex` streams include:
         *
         * * `TCP sockets`
         * * `zlib streams`
         * * `crypto streams`
         * @since v0.9.4
         */
        class Duplex extends ReadableBase implements WritableBase {
            readonly writable: boolean;
            readonly writableEnded: boolean;
            readonly writableFinished: boolean;
            readonly writableHighWaterMark: number;
            readonly writableLength: number;
            readonly writableObjectMode: boolean;
            readonly writableCorked: number;
            readonly writableNeedDrain: boolean;
            readonly closed: boolean;
            readonly errored: Error | null;
            /**
             * If `false` then the stream will automatically end the writable side when the
             * readable side ends. Set initially by the `allowHalfOpen` constructor option,
             * which defaults to `true`.
             *
             * This can be changed manually to change the half-open behavior of an existing
             * `Duplex` stream instance, but must be changed before the `'end'` event is emitted.
             * @since v0.9.4
             */
            allowHalfOpen: boolean;
            constructor(opts?: DuplexOptions);
            /**
             * A utility method for creating duplex streams.
             *
             * - `Stream` converts writable stream into writable `Duplex` and readable stream
             *   to `Duplex`.
             * - `Blob` converts into readable `Duplex`.
             * - `string` converts into readable `Duplex`.
             * - `ArrayBuffer` converts into readable `Duplex`.
             * - `AsyncIterable` converts into a readable `Duplex`. Cannot yield `null`.
             * - `AsyncGeneratorFunction` converts into a readable/writable transform
             *   `Duplex`. Must take a source `AsyncIterable` as first parameter. Cannot yield
             *   `null`.
             * - `AsyncFunction` converts into a writable `Duplex`. Must return
             *   either `null` or `undefined`
             * - `Object ({ writable, readable })` converts `readable` and
             *   `writable` into `Stream` and then combines them into `Duplex` where the
             *   `Duplex` will write to the `writable` and read from the `readable`.
             * - `Promise` converts into readable `Duplex`. Value `null` is ignored.
             *
             * @since v16.8.0
             */
            static from(
                src:
                    | Stream
                    | NodeBlob
                    | ArrayBuffer
                    | string
                    | Iterable<any>
                    | AsyncIterable<any>
                    | AsyncGeneratorFunction
                    | Promise<any>
                    | Object,
            ): Duplex;
            _write(chunk: any, encoding: BufferEncoding, callback: (error?: Error | null) => void): void;
            _writev?(
                chunks: Array<{
                    chunk: any;
                    encoding: BufferEncoding;
                }>,
                callback: (error?: Error | null) => void,
            ): void;
            _destroy(error: Error | null, callback: (error?: Error | null) => void): void;
            _final(callback: (error?: Error | null) => void): void;
            write(chunk: any, encoding?: BufferEncoding, cb?: (error: Error | null | undefined) => void): boolean;
            write(chunk: any, cb?: (error: Error | null | undefined) => void): boolean;
            setDefaultEncoding(encoding: BufferEncoding): this;
            end(cb?: () => void): this;
            end(chunk: any, cb?: () => void): this;
            end(chunk: any, encoding?: BufferEncoding, cb?: () => void): this;
            cork(): void;
            uncork(): void;
            /**
             * A utility method for creating a web `ReadableStream` and `WritableStream` from a `Duplex`.
             * @since v17.0.0
             * @experimental
             */
            static toWeb(streamDuplex: Duplex): {
                readable: streamWeb.ReadableStream;
                writable: streamWeb.WritableStream;
            };
            /**
             * A utility method for creating a `Duplex` from a web `ReadableStream` and `WritableStream`.
             * @since v17.0.0
             * @experimental
             */
            static fromWeb(
                duplexStream: {
                    readable: streamWeb.ReadableStream;
                    writable: streamWeb.WritableStream;
                },
                options?: Pick<
                    DuplexOptions,
                    "allowHalfOpen" | "decodeStrings" | "encoding" | "highWaterMark" | "objectMode" | "signal"
                >,
            ): Duplex;
            /**
             * Event emitter
             * The defined events on documents including:
             * 1.  close
             * 2.  data
             * 3.  drain
             * 4.  end
             * 5.  error
             * 6.  finish
             * 7.  pause
             * 8.  pipe
             * 9.  readable
             * 10. resume
             * 11. unpipe
             */
            addListener(event: "close", listener: () => void): this;
            addListener(event: "data", listener: (chunk: any) => void): this;
            addListener(event: "drain", listener: () => void): this;
            addListener(event: "end", listener: () => void): this;
            addListener(event: "error", listener: (err: Error) => void): this;
            addListener(event: "finish", listener: () => void): this;
            addListener(event: "pause", listener: () => void): this;
            addListener(event: "pipe", listener: (src: Readable) => void): this;
            addListener(event: "readable", listener: () => void): this;
            addListener(event: "resume", listener: () => void): this;
            addListener(event: "unpipe", listener: (src: Readable) => void): this;
            addListener(event: string | symbol, listener: (...args: any[]) => void): this;
            emit(event: "close"): boolean;
            emit(event: "data", chunk: any): boolean;
            emit(event: "drain"): boolean;
            emit(event: "end"): boolean;
            emit(event: "error", err: Error): boolean;
            emit(event: "finish"): boolean;
            emit(event: "pause"): boolean;
            emit(event: "pipe", src: Readable): boolean;
            emit(event: "readable"): boolean;
            emit(event: "resume"): boolean;
            emit(event: "unpipe", src: Readable): boolean;
            emit(event: string | symbol, ...args: any[]): boolean;
            on(event: "close", listener: () => void): this;
            on(event: "data", listener: (chunk: any) => void): this;
            on(event: "drain", listener: () => void): this;
            on(event: "end", listener: () => void): this;
            on(event: "error", listener: (err: Error) => void): this;
            on(event: "finish", listener: () => void): this;
            on(event: "pause", listener: () => void): this;
            on(event: "pipe", listener: (src: Readable) => void): this;
            on(event: "readable", listener: () => void): this;
            on(event: "resume", listener: () => void): this;
            on(event: "unpipe", listener: (src: Readable) => void): this;
            on(event: string | symbol, listener: (...args: any[]) => void): this;
            once(event: "close", listener: () => void): this;
            once(event: "data", listener: (chunk: any) => void): this;
            once(event: "drain", listener: () => void): this;
            once(event: "end", listener: () => void): this;
            once(event: "error", listener: (err: Error) => void): this;
            once(event: "finish", listener: () => void): this;
            once(event: "pause", listener: () => void): this;
            once(event: "pipe", listener: (src: Readable) => void): this;
            once(event: "readable", listener: () => void): this;
            once(event: "resume", listener: () => void): this;
            once(event: "unpipe", listener: (src: Readable) => void): this;
            once(event: string | symbol, listener: (...args: any[]) => void): this;
            prependListener(event: "close", listener: () => void): this;
            prependListener(event: "data", listener: (chunk: any) => void): this;
            prependListener(event: "drain", listener: () => void): this;
            prependListener(event: "end", listener: () => void): this;
            prependListener(event: "error", listener: (err: Error) => void): this;
            prependListener(event: "finish", listener: () => void): this;
            prependListener(event: "pause", listener: () => void): this;
            prependListener(event: "pipe", listener: (src: Readable) => void): this;
            prependListener(event: "readable", listener: () => void): this;
            prependListener(event: "resume", listener: () => void): this;
            prependListener(event: "unpipe", listener: (src: Readable) => void): this;
            prependListener(event: string | symbol, listener: (...args: any[]) => void): this;
            prependOnceListener(event: "close", listener: () => void): this;
            prependOnceListener(event: "data", listener: (chunk: any) => void): this;
            prependOnceListener(event: "drain", listener: () => void): this;
            prependOnceListener(event: "end", listener: () => void): this;
            prependOnceListener(event: "error", listener: (err: Error) => void): this;
            prependOnceListener(event: "finish", listener: () => void): this;
            prependOnceListener(event: "pause", listener: () => void): this;
            prependOnceListener(event: "pipe", listener: (src: Readable) => void): this;
            prependOnceListener(event: "readable", listener: () => void): this;
            prependOnceListener(event: "resume", listener: () => void): this;
            prependOnceListener(event: "unpipe", listener: (src: Readable) => void): this;
            prependOnceListener(event: string | symbol, listener: (...args: any[]) => void): this;
            removeListener(event: "close", listener: () => void): this;
            removeListener(event: "data", listener: (chunk: any) => void): this;
            removeListener(event: "drain", listener: () => void): this;
            removeListener(event: "end", listener: () => void): this;
            removeListener(event: "error", listener: (err: Error) => void): this;
            removeListener(event: "finish", listener: () => void): this;
            removeListener(event: "pause", listener: () => void): this;
            removeListener(event: "pipe", listener: (src: Readable) => void): this;
            removeListener(event: "readable", listener: () => void): this;
            removeListener(event: "resume", listener: () => void): this;
            removeListener(event: "unpipe", listener: (src: Readable) => void): this;
            removeListener(event: string | symbol, listener: (...args: any[]) => void): this;
        }
        type TransformCallback = (error?: Error | null, data?: any) => void;
        interface TransformOptions extends DuplexOptions {
            construct?(this: Transform, callback: (error?: Error | null) => void): void;
            read?(this: Transform, size: number): void;
            write?(
                this: Transform,
                chunk: any,
                encoding: BufferEncoding,
                callback: (error?: Error | null) => void,
            ): void;
            writev?(
                this: Transform,
                chunks: Array<{
                    chunk: any;
                    encoding: BufferEncoding;
                }>,
                callback: (error?: Error | null) => void,
            ): void;
            final?(this: Transform, callback: (error?: Error | null) => void): void;
            destroy?(this: Transform, error: Error | null, callback: (error?: Error | null) => void): void;
            transform?(this: Transform, chunk: any, encoding: BufferEncoding, callback: TransformCallback): void;
            flush?(this: Transform, callback: TransformCallback): void;
        }
        /**
         * Transform streams are `Duplex` streams where the output is in some way
         * related to the input. Like all `Duplex` streams, `Transform` streams
         * implement both the `Readable` and `Writable` interfaces.
         *
         * Examples of `Transform` streams include:
         *
         * * `zlib streams`
         * * `crypto streams`
         * @since v0.9.4
         */
        class Transform extends Duplex {
            constructor(opts?: TransformOptions);
            _transform(chunk: any, encoding: BufferEncoding, callback: TransformCallback): void;
            _flush(callback: TransformCallback): void;
        }
        /**
         * The `stream.PassThrough` class is a trivial implementation of a `Transform` stream that simply passes the input bytes across to the output. Its purpose is
         * primarily for examples and testing, but there are some use cases where `stream.PassThrough` is useful as a building block for novel sorts of streams.
         */
        class PassThrough extends Transform {}
        /**
         * A stream to attach a signal to.
         *
         * Attaches an AbortSignal to a readable or writeable stream. This lets code
         * control stream destruction using an `AbortController`.
         *
         * Calling `abort` on the `AbortController` corresponding to the passed `AbortSignal` will behave the same way as calling `.destroy(new AbortError())` on the
         * stream, and `controller.error(new AbortError())` for webstreams.
         *
         * ```js
         * const fs = require('node:fs');
         *
         * const controller = new AbortController();
         * const read = addAbortSignal(
         *   controller.signal,
         *   fs.createReadStream(('object.json')),
         * );
         * // Later, abort the operation closing the stream
         * controller.abort();
         * ```
         *
         * Or using an `AbortSignal` with a readable stream as an async iterable:
         *
         * ```js
         * const controller = new AbortController();
         * setTimeout(() => controller.abort(), 10_000); // set a timeout
         * const stream = addAbortSignal(
         *   controller.signal,
         *   fs.createReadStream(('object.json')),
         * );
         * (async () => {
         *   try {
         *     for await (const chunk of stream) {
         *       await process(chunk);
         *     }
         *   } catch (e) {
         *     if (e.name === 'AbortError') {
         *       // The operation was cancelled
         *     } else {
         *       throw e;
         *     }
         *   }
         * })();
         * ```
         *
         * Or using an `AbortSignal` with a ReadableStream:
         *
         * ```js
         * const controller = new AbortController();
         * const rs = new ReadableStream({
         *   start(controller) {
         *     controller.enqueue('hello');
         *     controller.enqueue('world');
         *     controller.close();
         *   },
         * });
         *
         * addAbortSignal(controller.signal, rs);
         *
         * finished(rs, (err) => {
         *   if (err) {
         *     if (err.name === 'AbortError') {
         *       // The operation was cancelled
         *     }
         *   }
         * });
         *
         * const reader = rs.getReader();
         *
         * reader.read().then(({ value, done }) => {
         *   console.log(value); // hello
         *   console.log(done); // false
         *   controller.abort();
         * });
         * ```
         * @since v15.4.0
         * @param signal A signal representing possible cancellation
         * @param stream A stream to attach a signal to.
         */
        function addAbortSignal<T extends Stream>(signal: AbortSignal, stream: T): T;
        /**
         * Returns the default highWaterMark used by streams.
         * Defaults to `16384` (16 KiB), or `16` for `objectMode`.
         * @since v19.9.0
         */
        function getDefaultHighWaterMark(objectMode: boolean): number;
        /**
         * Sets the default highWaterMark used by streams.
         * @since v19.9.0
         * @param value highWaterMark value
         */
        function setDefaultHighWaterMark(objectMode: boolean, value: number): void;
        interface FinishedOptions extends Abortable {
            error?: boolean | undefined;
            readable?: boolean | undefined;
            writable?: boolean | undefined;
        }
        /**
         * A readable and/or writable stream/webstream.
         *
         * A function to get notified when a stream is no longer readable, writable
         * or has experienced an error or a premature close event.
         *
         * ```js
         * const { finished } = require('node:stream');
         * const fs = require('node:fs');
         *
         * const rs = fs.createReadStream('archive.tar');
         *
         * finished(rs, (err) => {
         *   if (err) {
         *     console.error('Stream failed.', err);
         *   } else {
         *     console.log('Stream is done reading.');
         *   }
         * });
         *
         * rs.resume(); // Drain the stream.
         * ```
         *
         * Especially useful in error handling scenarios where a stream is destroyed
         * prematurely (like an aborted HTTP request), and will not emit `'end'` or `'finish'`.
         *
         * The `finished` API provides [`promise version`](https://nodejs.org/docs/latest-v20.x/api/stream.html#streamfinishedstream-options).
         *
         * `stream.finished()` leaves dangling event listeners (in particular `'error'`, `'end'`, `'finish'` and `'close'`) after `callback` has been
         * invoked. The reason for this is so that unexpected `'error'` events (due to
         * incorrect stream implementations) do not cause unexpected crashes.
         * If this is unwanted behavior then the returned cleanup function needs to be
         * invoked in the callback:
         *
         * ```js
         * const cleanup = finished(rs, (err) => {
         *   cleanup();
         *   // ...
         * });
         * ```
         * @since v10.0.0
         * @param stream A readable and/or writable stream.
         * @param callback A callback function that takes an optional error argument.
         * @returns A cleanup function which removes all registered listeners.
         */
        function finished(
            stream: NodeJS.ReadableStream | NodeJS.WritableStream | NodeJS.ReadWriteStream,
            options: FinishedOptions,
            callback: (err?: NodeJS.ErrnoException | null) => void,
        ): () => void;
        function finished(
            stream: NodeJS.ReadableStream | NodeJS.WritableStream | NodeJS.ReadWriteStream,
            callback: (err?: NodeJS.ErrnoException | null) => void,
        ): () => void;
        namespace finished {
            function __promisify__(
                stream: NodeJS.ReadableStream | NodeJS.WritableStream | NodeJS.ReadWriteStream,
                options?: FinishedOptions,
            ): Promise<void>;
        }
        type PipelineSourceFunction<T> = () => Iterable<T> | AsyncIterable<T>;
        type PipelineSource<T> = Iterable<T> | AsyncIterable<T> | NodeJS.ReadableStream | PipelineSourceFunction<T>;
        type PipelineTransform<S extends PipelineTransformSource<any>, U> =
            | NodeJS.ReadWriteStream
            | ((
                source: S extends (...args: any[]) => Iterable<infer ST> | AsyncIterable<infer ST> ? AsyncIterable<ST>
                    : S,
            ) => AsyncIterable<U>);
        type PipelineTransformSource<T> = PipelineSource<T> | PipelineTransform<any, T>;
        type PipelineDestinationIterableFunction<T> = (source: AsyncIterable<T>) => AsyncIterable<any>;
        type PipelineDestinationPromiseFunction<T, P> = (source: AsyncIterable<T>) => Promise<P>;
        type PipelineDestination<S extends PipelineTransformSource<any>, P> = S extends
            PipelineTransformSource<infer ST> ?
                | NodeJS.WritableStream
                | PipelineDestinationIterableFunction<ST>
                | PipelineDestinationPromiseFunction<ST, P>
            : never;
        type PipelineCallback<S extends PipelineDestination<any, any>> = S extends
            PipelineDestinationPromiseFunction<any, infer P> ? (err: NodeJS.ErrnoException | null, value: P) => void
            : (err: NodeJS.ErrnoException | null) => void;
        type PipelinePromise<S extends PipelineDestination<any, any>> = S extends
            PipelineDestinationPromiseFunction<any, infer P> ? Promise<P> : Promise<void>;
        interface PipelineOptions {
            signal?: AbortSignal | undefined;
            end?: boolean | undefined;
        }
        /**
         * A module method to pipe between streams and generators forwarding errors and
         * properly cleaning up and provide a callback when the pipeline is complete.
         *
         * ```js
         * const { pipeline } = require('node:stream');
         * const fs = require('node:fs');
         * const zlib = require('node:zlib');
         *
         * // Use the pipeline API to easily pipe a series of streams
         * // together and get notified when the pipeline is fully done.
         *
         * // A pipeline to gzip a potentially huge tar file efficiently:
         *
         * pipeline(
         *   fs.createReadStream('archive.tar'),
         *   zlib.createGzip(),
         *   fs.createWriteStream('archive.tar.gz'),
         *   (err) => {
         *     if (err) {
         *       console.error('Pipeline failed.', err);
         *     } else {
         *       console.log('Pipeline succeeded.');
         *     }
         *   },
         * );
         * ```
         *
         * The `pipeline` API provides a [`promise version`](https://nodejs.org/docs/latest-v20.x/api/stream.html#streampipelinesource-transforms-destination-options).
         *
         * `stream.pipeline()` will call `stream.destroy(err)` on all streams except:
         *
         * * `Readable` streams which have emitted `'end'` or `'close'`.
         * * `Writable` streams which have emitted `'finish'` or `'close'`.
         *
         * `stream.pipeline()` leaves dangling event listeners on the streams
         * after the `callback` has been invoked. In the case of reuse of streams after
         * failure, this can cause event listener leaks and swallowed errors. If the last
         * stream is readable, dangling event listeners will be removed so that the last
         * stream can be consumed later.
         *
         * `stream.pipeline()` closes all the streams when an error is raised.
         * The `IncomingRequest` usage with `pipeline` could lead to an unexpected behavior
         * once it would destroy the socket without sending the expected response.
         * See the example below:
         *
         * ```js
         * const fs = require('node:fs');
         * const http = require('node:http');
         * const { pipeline } = require('node:stream');
         *
         * const server = http.createServer((req, res) => {
         *   const fileStream = fs.createReadStream('./fileNotExist.txt');
         *   pipeline(fileStream, res, (err) => {
         *     if (err) {
         *       console.log(err); // No such file
         *       // this message can't be sent once `pipeline` already destroyed the socket
         *       return res.end('error!!!');
         *     }
         *   });
         * });
         * ```
         * @since v10.0.0
         * @param callback Called when the pipeline is fully done.
         */
        function pipeline<A extends PipelineSource<any>, B extends PipelineDestination<A, any>>(
            source: A,
            destination: B,
            callback: PipelineCallback<B>,
        ): B extends NodeJS.WritableStream ? B : NodeJS.WritableStream;
        function pipeline<
            A extends PipelineSource<any>,
            T1 extends PipelineTransform<A, any>,
            B extends PipelineDestination<T1, any>,
        >(
            source: A,
            transform1: T1,
            destination: B,
            callback: PipelineCallback<B>,
        ): B extends NodeJS.WritableStream ? B : NodeJS.WritableStream;
        function pipeline<
            A extends PipelineSource<any>,
            T1 extends PipelineTransform<A, any>,
            T2 extends PipelineTransform<T1, any>,
            B extends PipelineDestination<T2, any>,
        >(
            source: A,
            transform1: T1,
            transform2: T2,
            destination: B,
            callback: PipelineCallback<B>,
        ): B extends NodeJS.WritableStream ? B : NodeJS.WritableStream;
        function pipeline<
            A extends PipelineSource<any>,
            T1 extends PipelineTransform<A, any>,
            T2 extends PipelineTransform<T1, any>,
            T3 extends PipelineTransform<T2, any>,
            B extends PipelineDestination<T3, any>,
        >(
            source: A,
            transform1: T1,
            transform2: T2,
            transform3: T3,
            destination: B,
            callback: PipelineCallback<B>,
        ): B extends NodeJS.WritableStream ? B : NodeJS.WritableStream;
        function pipeline<
            A extends PipelineSource<any>,
            T1 extends PipelineTransform<A, any>,
            T2 extends PipelineTransform<T1, any>,
            T3 extends PipelineTransform<T2, any>,
            T4 extends PipelineTransform<T3, any>,
            B extends PipelineDestination<T4, any>,
        >(
            source: A,
            transform1: T1,
            transform2: T2,
            transform3: T3,
            transform4: T4,
            destination: B,
            callback: PipelineCallback<B>,
        ): B extends NodeJS.WritableStream ? B : NodeJS.WritableStream;
        function pipeline(
            streams: ReadonlyArray<NodeJS.ReadableStream | NodeJS.WritableStream | NodeJS.ReadWriteStream>,
            callback: (err: NodeJS.ErrnoException | null) => void,
        ): NodeJS.WritableStream;
        function pipeline(
            stream1: NodeJS.ReadableStream,
            stream2: NodeJS.ReadWriteStream | NodeJS.WritableStream,
            ...streams: Array<
                NodeJS.ReadWriteStream | NodeJS.WritableStream | ((err: NodeJS.ErrnoException | null) => void)
            >
        ): NodeJS.WritableStream;
        namespace pipeline {
            function __promisify__<A extends PipelineSource<any>, B extends PipelineDestination<A, any>>(
                source: A,
                destination: B,
                options?: PipelineOptions,
            ): PipelinePromise<B>;
            function __promisify__<
                A extends PipelineSource<any>,
                T1 extends PipelineTransform<A, any>,
                B extends PipelineDestination<T1, any>,
            >(
                source: A,
                transform1: T1,
                destination: B,
                options?: PipelineOptions,
            ): PipelinePromise<B>;
            function __promisify__<
                A extends PipelineSource<any>,
                T1 extends PipelineTransform<A, any>,
                T2 extends PipelineTransform<T1, any>,
                B extends PipelineDestination<T2, any>,
            >(
                source: A,
                transform1: T1,
                transform2: T2,
                destination: B,
                options?: PipelineOptions,
            ): PipelinePromise<B>;
            function __promisify__<
                A extends PipelineSource<any>,
                T1 extends PipelineTransform<A, any>,
                T2 extends PipelineTransform<T1, any>,
                T3 extends PipelineTransform<T2, any>,
                B extends PipelineDestination<T3, any>,
            >(
                source: A,
                transform1: T1,
                transform2: T2,
                transform3: T3,
                destination: B,
                options?: PipelineOptions,
            ): PipelinePromise<B>;
            function __promisify__<
                A extends PipelineSource<any>,
                T1 extends PipelineTransform<A, any>,
                T2 extends PipelineTransform<T1, any>,
                T3 extends PipelineTransform<T2, any>,
                T4 extends PipelineTransform<T3, any>,
                B extends PipelineDestination<T4, any>,
            >(
                source: A,
                transform1: T1,
                transform2: T2,
                transform3: T3,
                transform4: T4,
                destination: B,
                options?: PipelineOptions,
            ): PipelinePromise<B>;
            function __promisify__(
                streams: ReadonlyArray<NodeJS.ReadableStream | NodeJS.WritableStream | NodeJS.ReadWriteStream>,
                options?: PipelineOptions,
            ): Promise<void>;
            function __promisify__(
                stream1: NodeJS.ReadableStream,
                stream2: NodeJS.ReadWriteStream | NodeJS.WritableStream,
                ...streams: Array<NodeJS.ReadWriteStream | NodeJS.WritableStream | PipelineOptions>
            ): Promise<void>;
        }
        interface Pipe {
            close(): void;
            hasRef(): boolean;
            ref(): void;
            unref(): void;
        }
        /**
         * Returns whether the stream has encountered an error.
         * @since v17.3.0, v16.14.0
         * @experimental
         */
        function isErrored(stream: Readable | Writable | NodeJS.ReadableStream | NodeJS.WritableStream): boolean;
        /**
         * Returns whether the stream is readable.
         * @since v17.4.0, v16.14.0
         * @experimental
         */
        function isReadable(stream: Readable | NodeJS.ReadableStream): boolean;
        const promises: typeof streamPromises;
        const consumers: typeof streamConsumers;
    }
    export = internal;
}
declare module "node:stream" {
    import stream = require("stream");
    export = stream;
}