/** The three components a crew install is made of; `null` = not present in this install. */
export interface InstalledVersions {
    /** This package's own version. */
    crew: string;
    /** The wicked-core-ts engine binding resolvable from this install, or `null`. */
    coreTs: string | null;
    /** The studio bundle at `dist/studio`, or `null` for a headless (unbundled) install. */
    studioBundle: string | null;
}
/** Read the three versions of THIS install. Pure file reads; no daemon, no socket. */
export declare function installedVersions(): InstalledVersions;
/**
 * The lines `wicked-crew --version` prints — one per component, `<name> <version>`, with
 * `unknown` for an unresolvable engine binding and `none` for an unbundled studio.
 */
export declare function versionLines(v?: InstalledVersions): string[];
//# sourceMappingURL=versions.d.ts.map