/**
 * TextDecoderStream decodes a stream of bytes into strings.
 *
 * Uses TextDecoder with `stream: true` when available (Node.js, browsers).
 * On GJS where `stream` option is not supported, manually buffers incomplete
 * multi-byte UTF-8 sequences across chunks.
 */
export declare class TextDecoderStream {
    #private;
    constructor(label?: string, options?: TextDecoderOptions);
    get encoding(): string;
    get fatal(): boolean;
    get ignoreBOM(): boolean;
    get readable(): ReadableStream<string>;
    get writable(): WritableStream<BufferSource>;
}