/**
 * Version comparison for the harness-update pipeline: compare a descriptor's
 * `verifiedAgainst` against the latest published version to decide whether
 * the descriptor's facts are stale. Pure and dotted-numeric: prerelease and
 * build suffixes are split on and compared numerically where present, else
 * ignored - the signal is "a newer version shipped", not full semver
 * precedence.
 */
export type VersionStatus = "ok" | "behind" | "ahead" | "unknown" | "drift";
/** -1 if a < b, 0 if equal, 1 if a > b, comparing dotted-numeric parts with
 * missing trailing parts treated as 0. */
export declare const compareVersions: (a: string, b: string) => -1 | 0 | 1;
/** Where `verified` stands relative to `latest`. `unknown` when either is
 * absent or has no numeric parts (so a wrong descriptor never reads as ok). */
export declare const versionStatus: (verified: string, latest: string | null) => VersionStatus;
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