export declare const EMBEDDED_BUNDLE_CHECKSUMS_FILE = "SHA256SUMS";
export declare const EMBEDDED_BUNDLE_EXPLORES_FILE = "explores.json";
export declare const EMBEDDED_BUNDLE_PREVIOUS_DIRECTORY = "previous";
export type EmbeddedBundle = {
    directory: string;
    version: string;
    checksums: ReadonlyMap<string, string>;
};
export declare const getEmbeddedDatabaseFileName: (dataset: string) => string;
export declare const parseEmbeddedBundleChecksums: (text: string) => Map<string, string>;
/** Identifies a database and the explores compiled from it, so a change to either gives a new version. */
export declare const getEmbeddedBundleVersion: (checksums: ReadonlyMap<string, string>, dataset: string) => string;
export declare const readEmbeddedBundle: (directory: string, dataset: string) => EmbeddedBundle | null;
export declare const getFileSha256: (filePath: string) => string;
/** Returns the path of a bundle file after checking it against the bundle's checksum. */
export declare const verifyEmbeddedBundleFile: (bundle: EmbeddedBundle, fileName: string) => string;
export declare const readEmbeddedBundles: (baseDirectory: string, dataset: string) => {
    current: EmbeddedBundle | null;
    previous: EmbeddedBundle | null;
};
/**
 * Finds the database for a bundle version among the current bundle and the
 * one retained from the previous release. Two versions can share a database
 * file, so the match is by checksum rather than by directory.
 */
export declare const resolveEmbeddedBundleDatabasePath: (baseDirectory: string, dataset: string, bundleVersion: string) => string;
//# sourceMappingURL=duckdbEmbeddedBundle.d.ts.map