import type { Readable } from 'node:stream';
/**
 * Allows auxiliary files to be written to the output.
 */
export interface IFileWriter {
    /**
     * Write the given contents somewhere in the output files.
     * @param {string} baseName The file basename.
     * @param {"stream".internal.Readable} contents A stream of contents to write.
     * @returns {string} The file path in the output, relative to the output root.
     */
    write: (baseName: string, contents: () => Readable) => Promise<string>;
}