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if (!('TextEncoderStream' in self)) {  class TES {    encoder!: TextEncoder;    start() { this.encoder = new TextEncoder() }    transform(chunk: string, controller: TransformStreamDefaultController<Uint8Array>) {      controller.enqueue(this.encoder.encode(chunk))    }  }
  class JSTextEncoderStream extends TransformStream<string, Uint8Array> {    #t: TES;    constructor() {      const t = new TES();      super(t);      this.#t = t;    }    get encoding() { return this.#t.encoder.encoding }  }
  Object.defineProperty(self, 'TextEncoderStream', {    configurable: false,    enumerable: false,    writable: false,    value: JSTextEncoderStream,  });}
if (!('TextDecoderStream' in self)) {  class TDS {    decoder!: TextDecoder;    encoding: string;    options: TextDecoderOptions;    constructor(encoding: string, options: TextDecoderOptions) {      this.encoding = encoding;      this.options = options;    }    start() { this.decoder = new TextDecoder(this.encoding, this.options) }    transform(chunk: Uint8Array, controller: TransformStreamDefaultController<string>) {      controller.enqueue(this.decoder.decode(chunk, { stream: true }))    }  }
  class JSTextDecoderStream extends TransformStream<Uint8Array, string> {    #t: TDS;    constructor(encoding = 'utf-8', { ...options } = {}) {      const t = new TDS(encoding, options);      super(t);      this.#t = t;    }    get encoding() { return this.#t.decoder.encoding }    get fatal() { return this.#t.decoder.fatal }    get ignoreBOM() { return this.#t.decoder.ignoreBOM }  }
  Object.defineProperty(self, 'TextDecoderStream', {    configurable: false,    enumerable: false,    writable: false,    value: JSTextDecoderStream,  });}
export {}