export interface Packument {
    'dist-tags': Record<string, string>;
    versions: Record<string, unknown>;
}
/**
 * Turns what the user asked for into a concrete pnpm version.
 *
 * `spec` may be a dist-tag (`latest`, `next-12`), an exact version (`11.20.0`,
 * with an optional leading `v`), or a bare major (`12`), which picks that
 * major's stable release and falls back to its prerelease lane.
 *
 * Dist-tags win over exact versions, matching `install.ps1`.
 *
 * @throws if `spec` matches neither a dist-tag nor a published version.
 */
export declare function resolveVersion(packument: Packument, spec: string): string;
/** The major of an exact version, as the package layout depends on it. */
export declare function majorVersion(version: string): number;