export declare class XlsxFileWriter {
    /**
     * The sheet writer will write
     */
    writeStream: WritableStream<Buffer>;
    writeStreamWriter?: WritableStreamDefaultWriter<Buffer>;
    write(str: string): Promise<void>;
    close(): Promise<void>;
    abort(): Promise<void>;
}
//# sourceMappingURL=XlsxFileWriter.d.ts.map