import type { FilesystemTools } from '../../execution/FilesystemTools';
import type { PipelineJson } from '../../pipeline/PipelineJson/PipelineJson';
import type { string_filename } from '../../types/string_filename';
/**
 * Loads the books from the archive file with `.bookc` extension
 *
 * @param filePath Path to the archive file with `.bookc` extension
 * @param fs Filesystem tools
 * @returns Pipelines loaded from the archive
 *
 * @private utility of Promptbook
 */
export declare function loadArchive(filePath: string_filename, fs: FilesystemTools): Promise<ReadonlyArray<PipelineJson>>;
