| 1 | declare module 'stream' {
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| 2 | import EventEmitter = require('events');
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| 3 |
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| 4 | class internal extends EventEmitter {
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| 5 | pipe<T extends NodeJS.WritableStream>(destination: T, options?: { end?: boolean | undefined; }): T;
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| 6 | }
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| 7 |
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| 8 | namespace internal {
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| 9 | class Stream extends internal { }
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| 10 |
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| 11 | interface ReadableOptions {
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| 12 | highWaterMark?: number | undefined;
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| 13 | encoding?: string | undefined;
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| 14 | objectMode?: boolean | undefined;
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| 15 | read?(this: Readable, size: number): void;
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| 16 | destroy?(this: Readable, error: Error | null, callback: (error: Error | null) => void): void;
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| 17 | autoDestroy?: boolean | undefined;
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| 18 | }
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| 19 |
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| 20 | class Readable extends Stream implements NodeJS.ReadableStream {
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| 21 | /**
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| 22 | * A utility method for creating Readable Streams out of iterators.
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| 23 | */
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| 24 | static from(iterable: Iterable<any> | AsyncIterable<any>, options?: ReadableOptions): Readable;
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| 25 |
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| 26 | readable: boolean;
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| 27 | readonly readableEncoding: BufferEncoding | null;
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| 28 | readonly readableEnded: boolean;
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| 29 | readonly readableFlowing: boolean | null;
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| 30 | readonly readableHighWaterMark: number;
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| 31 | readonly readableLength: number;
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| 32 | readonly readableObjectMode: boolean;
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| 33 | destroyed: boolean;
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| 34 | constructor(opts?: ReadableOptions);
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| 35 | _read(size: number): void;
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| 36 | read(size?: number): any;
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| 37 | setEncoding(encoding: string): this;
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| 38 | pause(): this;
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| 39 | resume(): this;
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| 40 | isPaused(): boolean;
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| 41 | unpipe(destination?: NodeJS.WritableStream): this;
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| 42 | unshift(chunk: any, encoding?: BufferEncoding): void;
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| 43 | wrap(oldStream: NodeJS.ReadableStream): this;
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| 44 | push(chunk: any, encoding?: string): boolean;
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| 45 | _destroy(error: Error | null, callback: (error?: Error | null) => void): void;
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| 46 | destroy(error?: Error): this;
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| 47 |
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| 48 | /**
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| 49 | * Event emitter
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| 50 | * The defined events on documents including:
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| 51 | * 1. close
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| 52 | * 2. data
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| 53 | * 3. end
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| 54 | * 4. readable
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| 55 | * 5. error
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| 56 | */
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| 57 | addListener(event: "close", listener: () => void): this;
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| 58 | addListener(event: "data", listener: (chunk: any) => void): this;
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| 59 | addListener(event: "end", listener: () => void): this;
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| 60 | addListener(event: "readable", listener: () => void): this;
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| 61 | addListener(event: "error", listener: (err: Error) => void): this;
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| 62 | addListener(event: string | symbol, listener: (...args: any[]) => void): this;
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| 63 |
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| 64 | emit(event: "close"): boolean;
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| 65 | emit(event: "data", chunk: any): boolean;
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| 66 | emit(event: "end"): boolean;
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| 67 | emit(event: "readable"): boolean;
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| 68 | emit(event: "error", err: Error): boolean;
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| 69 | emit(event: string | symbol, ...args: any[]): boolean;
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| 70 |
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| 71 | on(event: "close", listener: () => void): this;
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| 72 | on(event: "data", listener: (chunk: any) => void): this;
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| 73 | on(event: "end", listener: () => void): this;
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| 74 | on(event: "readable", listener: () => void): this;
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| 75 | on(event: "error", listener: (err: Error) => void): this;
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| 76 | on(event: string | symbol, listener: (...args: any[]) => void): this;
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| 77 |
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| 78 | once(event: "close", listener: () => void): this;
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| 79 | once(event: "data", listener: (chunk: any) => void): this;
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| 80 | once(event: "end", listener: () => void): this;
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| 81 | once(event: "readable", listener: () => void): this;
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| 82 | once(event: "error", listener: (err: Error) => void): this;
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| 83 | once(event: string | symbol, listener: (...args: any[]) => void): this;
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| 84 |
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| 85 | prependListener(event: "close", listener: () => void): this;
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| 86 | prependListener(event: "data", listener: (chunk: any) => void): this;
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| 87 | prependListener(event: "end", listener: () => void): this;
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| 88 | prependListener(event: "readable", listener: () => void): this;
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| 89 | prependListener(event: "error", listener: (err: Error) => void): this;
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| 90 | prependListener(event: string | symbol, listener: (...args: any[]) => void): this;
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| 91 |
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| 92 | prependOnceListener(event: "close", listener: () => void): this;
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| 93 | prependOnceListener(event: "data", listener: (chunk: any) => void): this;
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| 94 | prependOnceListener(event: "end", listener: () => void): this;
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| 95 | prependOnceListener(event: "readable", listener: () => void): this;
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| 96 | prependOnceListener(event: "error", listener: (err: Error) => void): this;
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| 97 | prependOnceListener(event: string | symbol, listener: (...args: any[]) => void): this;
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| 98 |
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| 99 | removeListener(event: "close", listener: () => void): this;
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| 100 | removeListener(event: "data", listener: (chunk: any) => void): this;
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| 101 | removeListener(event: "end", listener: () => void): this;
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| 102 | removeListener(event: "readable", listener: () => void): this;
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| 103 | removeListener(event: "error", listener: (err: Error) => void): this;
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| 104 | removeListener(event: string | symbol, listener: (...args: any[]) => void): this;
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| 105 |
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| 106 | [Symbol.asyncIterator](): AsyncIterableIterator<any>;
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| 107 | }
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| 108 |
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| 109 | interface WritableOptions {
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| 110 | highWaterMark?: number | undefined;
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| 111 | decodeStrings?: boolean | undefined;
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| 112 | defaultEncoding?: string | undefined;
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| 113 | objectMode?: boolean | undefined;
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| 114 | emitClose?: boolean | undefined;
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| 115 | write?(this: Writable, chunk: any, encoding: string, callback: (error?: Error | null) => void): void;
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| 116 | writev?(this: Writable, chunks: Array<{ chunk: any, encoding: string }>, callback: (error?: Error | null) => void): void;
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| 117 | destroy?(this: Writable, error: Error | null, callback: (error: Error | null) => void): void;
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| 118 | final?(this: Writable, callback: (error?: Error | null) => void): void;
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| 119 | autoDestroy?: boolean | undefined;
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| 120 | }
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| 121 |
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| 122 | class Writable extends Stream implements NodeJS.WritableStream {
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| 123 | readonly writable: boolean;
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| 124 | readonly writableEnded: boolean;
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| 125 | readonly writableFinished: boolean;
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| 126 | readonly writableHighWaterMark: number;
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| 127 | readonly writableLength: number;
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| 128 | readonly writableObjectMode: boolean;
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| 129 | destroyed: boolean;
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| 130 | constructor(opts?: WritableOptions);
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| 131 | _write(chunk: any, encoding: string, callback: (error?: Error | null) => void): void;
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| 132 | _writev?(chunks: Array<{ chunk: any, encoding: string }>, callback: (error?: Error | null) => void): void;
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| 133 | _destroy(error: Error | null, callback: (error?: Error | null) => void): void;
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| 134 | _final(callback: (error?: Error | null) => void): void;
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| 135 | write(chunk: any, cb?: (error: Error | null | undefined) => void): boolean;
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| 136 | write(chunk: any, encoding: string, cb?: (error: Error | null | undefined) => void): boolean;
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| 137 | setDefaultEncoding(encoding: string): this;
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| 138 | end(cb?: () => void): this;
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| 139 | end(chunk: any, cb?: () => void): this;
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| 140 | end(chunk: any, encoding: string, cb?: () => void): this;
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| 141 | cork(): void;
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| 142 | uncork(): void;
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| 143 | destroy(error?: Error): this;
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| 144 |
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| 145 | /**
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| 146 | * Event emitter
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| 147 | * The defined events on documents including:
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| 148 | * 1. close
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| 149 | * 2. drain
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| 150 | * 3. error
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| 151 | * 4. finish
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| 152 | * 5. pipe
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| 153 | * 6. unpipe
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| 154 | */
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| 155 | addListener(event: "close", listener: () => void): this;
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| 156 | addListener(event: "drain", listener: () => void): this;
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| 157 | addListener(event: "error", listener: (err: Error) => void): this;
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| 158 | addListener(event: "finish", listener: () => void): this;
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| 159 | addListener(event: "pipe", listener: (src: Readable) => void): this;
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| 160 | addListener(event: "unpipe", listener: (src: Readable) => void): this;
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| 161 | addListener(event: string | symbol, listener: (...args: any[]) => void): this;
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| 162 |
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| 163 | emit(event: "close"): boolean;
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| 164 | emit(event: "drain"): boolean;
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| 165 | emit(event: "error", err: Error): boolean;
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| 166 | emit(event: "finish"): boolean;
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| 167 | emit(event: "pipe", src: Readable): boolean;
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| 168 | emit(event: "unpipe", src: Readable): boolean;
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| 169 | emit(event: string | symbol, ...args: any[]): boolean;
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| 170 |
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| 171 | on(event: "close", listener: () => void): this;
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| 172 | on(event: "drain", listener: () => void): this;
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| 173 | on(event: "error", listener: (err: Error) => void): this;
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| 174 | on(event: "finish", listener: () => void): this;
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| 175 | on(event: "pipe", listener: (src: Readable) => void): this;
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| 176 | on(event: "unpipe", listener: (src: Readable) => void): this;
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| 177 | on(event: string | symbol, listener: (...args: any[]) => void): this;
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| 178 |
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| 179 | once(event: "close", listener: () => void): this;
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| 180 | once(event: "drain", listener: () => void): this;
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| 181 | once(event: "error", listener: (err: Error) => void): this;
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| 182 | once(event: "finish", listener: () => void): this;
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| 183 | once(event: "pipe", listener: (src: Readable) => void): this;
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| 184 | once(event: "unpipe", listener: (src: Readable) => void): this;
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| 185 | once(event: string | symbol, listener: (...args: any[]) => void): this;
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| 186 |
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| 187 | prependListener(event: "close", listener: () => void): this;
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| 188 | prependListener(event: "drain", listener: () => void): this;
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| 189 | prependListener(event: "error", listener: (err: Error) => void): this;
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| 190 | prependListener(event: "finish", listener: () => void): this;
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| 191 | prependListener(event: "pipe", listener: (src: Readable) => void): this;
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| 192 | prependListener(event: "unpipe", listener: (src: Readable) => void): this;
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| 193 | prependListener(event: string | symbol, listener: (...args: any[]) => void): this;
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| 194 |
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| 195 | prependOnceListener(event: "close", listener: () => void): this;
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| 196 | prependOnceListener(event: "drain", listener: () => void): this;
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| 197 | prependOnceListener(event: "error", listener: (err: Error) => void): this;
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| 198 | prependOnceListener(event: "finish", listener: () => void): this;
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| 199 | prependOnceListener(event: "pipe", listener: (src: Readable) => void): this;
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| 200 | prependOnceListener(event: "unpipe", listener: (src: Readable) => void): this;
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| 201 | prependOnceListener(event: string | symbol, listener: (...args: any[]) => void): this;
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| 202 |
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| 203 | removeListener(event: "close", listener: () => void): this;
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| 204 | removeListener(event: "drain", listener: () => void): this;
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| 205 | removeListener(event: "error", listener: (err: Error) => void): this;
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| 206 | removeListener(event: "finish", listener: () => void): this;
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| 207 | removeListener(event: "pipe", listener: (src: Readable) => void): this;
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| 208 | removeListener(event: "unpipe", listener: (src: Readable) => void): this;
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| 209 | removeListener(event: string | symbol, listener: (...args: any[]) => void): this;
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| 210 | }
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| 211 |
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| 212 | interface DuplexOptions extends ReadableOptions, WritableOptions {
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| 213 | allowHalfOpen?: boolean | undefined;
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| 214 | readableObjectMode?: boolean | undefined;
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| 215 | writableObjectMode?: boolean | undefined;
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| 216 | readableHighWaterMark?: number | undefined;
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| 217 | writableHighWaterMark?: number | undefined;
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| 218 | read?(this: Duplex, size: number): void;
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| 219 | write?(this: Duplex, chunk: any, encoding: string, callback: (error?: Error | null) => void): void;
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| 220 | writev?(this: Duplex, chunks: Array<{ chunk: any, encoding: string }>, callback: (error?: Error | null) => void): void;
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| 221 | final?(this: Duplex, callback: (error?: Error | null) => void): void;
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| 222 | destroy?(this: Duplex, error: Error | null, callback: (error: Error | null) => void): void;
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| 223 | }
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| 224 |
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| 225 | // Note: Duplex extends both Readable and Writable.
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| 226 | class Duplex extends Readable implements Writable {
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| 227 | readonly writable: boolean;
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| 228 | readonly writableEnded: boolean;
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| 229 | readonly writableFinished: boolean;
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| 230 | readonly writableHighWaterMark: number;
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| 231 | readonly writableLength: number;
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| 232 | readonly writableObjectMode: boolean;
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| 233 | allowHalfOpen: boolean;
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| 234 | constructor(opts?: DuplexOptions);
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| 235 | _write(chunk: any, encoding: string, callback: (error?: Error | null) => void): void;
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| 236 | _writev?(chunks: Array<{ chunk: any, encoding: string }>, callback: (error?: Error | null) => void): void;
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| 237 | _destroy(error: Error | null, callback: (error: Error | null) => void): void;
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| 238 | _final(callback: (error?: Error | null) => void): void;
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| 239 | write(chunk: any, encoding?: string, cb?: (error: Error | null | undefined) => void): boolean;
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| 240 | write(chunk: any, cb?: (error: Error | null | undefined) => void): boolean;
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| 241 | setDefaultEncoding(encoding: string): this;
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| 242 | end(cb?: () => void): this;
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| 243 | end(chunk: any, cb?: () => void): this;
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| 244 | end(chunk: any, encoding?: string, cb?: () => void): this;
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| 245 | cork(): void;
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| 246 | uncork(): void;
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| 247 | }
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| 248 |
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| 249 | type TransformCallback = (error?: Error | null, data?: any) => void;
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| 250 |
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| 251 | interface TransformOptions extends DuplexOptions {
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| 252 | read?(this: Transform, size: number): void;
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| 253 | write?(this: Transform, chunk: any, encoding: string, callback: (error?: Error | null) => void): void;
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| 254 | writev?(this: Transform, chunks: Array<{ chunk: any, encoding: string }>, callback: (error?: Error | null) => void): void;
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| 255 | final?(this: Transform, callback: (error?: Error | null) => void): void;
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| 256 | destroy?(this: Transform, error: Error | null, callback: (error: Error | null) => void): void;
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| 257 | transform?(this: Transform, chunk: any, encoding: string, callback: TransformCallback): void;
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| 258 | flush?(this: Transform, callback: TransformCallback): void;
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| 259 | }
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| 260 |
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| 261 | class Transform extends Duplex {
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| 262 | constructor(opts?: TransformOptions);
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| 263 | _transform(chunk: any, encoding: string, callback: TransformCallback): void;
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| 264 | _flush(callback: TransformCallback): void;
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| 265 | }
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| 266 |
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| 267 | class PassThrough extends Transform { }
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| 268 |
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| 269 | interface FinishedOptions {
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| 270 | error?: boolean | undefined;
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| 271 | readable?: boolean | undefined;
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| 272 | writable?: boolean | undefined;
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| 273 | }
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| 274 | function finished(stream: NodeJS.ReadableStream | NodeJS.WritableStream | NodeJS.ReadWriteStream, options: FinishedOptions, callback: (err?: NodeJS.ErrnoException | null) => void): () => void;
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| 275 | function finished(stream: NodeJS.ReadableStream | NodeJS.WritableStream | NodeJS.ReadWriteStream, callback: (err?: NodeJS.ErrnoException | null) => void): () => void;
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| 276 | namespace finished {
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| 277 | function __promisify__(stream: NodeJS.ReadableStream | NodeJS.WritableStream | NodeJS.ReadWriteStream, options?: FinishedOptions): Promise<void>;
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| 278 | }
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| 279 |
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| 280 | function pipeline<T extends NodeJS.WritableStream>(stream1: NodeJS.ReadableStream, stream2: T, callback?: (err: NodeJS.ErrnoException | null) => void): T;
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| 281 | function pipeline<T extends NodeJS.WritableStream>(stream1: NodeJS.ReadableStream, stream2: NodeJS.ReadWriteStream, stream3: T, callback?: (err: NodeJS.ErrnoException | null) => void): T;
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| 282 | function pipeline<T extends NodeJS.WritableStream>(
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| 283 | stream1: NodeJS.ReadableStream,
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| 284 | stream2: NodeJS.ReadWriteStream,
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| 285 | stream3: NodeJS.ReadWriteStream,
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| 286 | stream4: T,
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| 287 | callback?: (err: NodeJS.ErrnoException | null) => void,
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| 288 | ): T;
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| 289 | function pipeline<T extends NodeJS.WritableStream>(
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| 290 | stream1: NodeJS.ReadableStream,
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| 291 | stream2: NodeJS.ReadWriteStream,
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| 292 | stream3: NodeJS.ReadWriteStream,
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| 293 | stream4: NodeJS.ReadWriteStream,
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| 294 | stream5: T,
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| 295 | callback?: (err: NodeJS.ErrnoException | null) => void,
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| 296 | ): T;
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| 297 | function pipeline(
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| 298 | streams: ReadonlyArray<NodeJS.ReadableStream | NodeJS.WritableStream | NodeJS.ReadWriteStream>,
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| 299 | callback?: (err: NodeJS.ErrnoException | null) => void,
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| 300 | ): NodeJS.WritableStream;
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| 301 | function pipeline(
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| 302 | stream1: NodeJS.ReadableStream,
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| 303 | stream2: NodeJS.ReadWriteStream | NodeJS.WritableStream,
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| 304 | ...streams: Array<NodeJS.ReadWriteStream | NodeJS.WritableStream | ((err: NodeJS.ErrnoException | null) => void)>,
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| 305 | ): NodeJS.WritableStream;
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| 306 | namespace pipeline {
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| 307 | function __promisify__(stream1: NodeJS.ReadableStream, stream2: NodeJS.WritableStream): Promise<void>;
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| 308 | function __promisify__(stream1: NodeJS.ReadableStream, stream2: NodeJS.ReadWriteStream, stream3: NodeJS.WritableStream): Promise<void>;
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| 309 | function __promisify__(stream1: NodeJS.ReadableStream, stream2: NodeJS.ReadWriteStream, stream3: NodeJS.ReadWriteStream, stream4: NodeJS.WritableStream): Promise<void>;
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| 310 | function __promisify__(
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| 311 | stream1: NodeJS.ReadableStream,
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| 312 | stream2: NodeJS.ReadWriteStream,
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| 313 | stream3: NodeJS.ReadWriteStream,
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| 314 | stream4: NodeJS.ReadWriteStream,
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| 315 | stream5: NodeJS.WritableStream,
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| 316 | ): Promise<void>;
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| 317 | function __promisify__(streams: ReadonlyArray<NodeJS.ReadableStream | NodeJS.WritableStream | NodeJS.ReadWriteStream>): Promise<void>;
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| 318 | function __promisify__(
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| 319 | stream1: NodeJS.ReadableStream,
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| 320 | stream2: NodeJS.ReadWriteStream | NodeJS.WritableStream,
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| 321 | ...streams: Array<NodeJS.ReadWriteStream | NodeJS.WritableStream>,
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| 322 | ): Promise<void>;
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| 323 | }
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| 324 |
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| 325 | interface Pipe {
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| 326 | close(): void;
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| 327 | hasRef(): boolean;
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| 328 | ref(): void;
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| 329 | unref(): void;
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| 330 | }
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| 331 | }
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| 332 |
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| 333 | export = internal;
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| 334 | }
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