export type Release = {
    readonly major: number;
    readonly minor: number;
    readonly patch: number;
};
/** The grammar a declared floor must match, shared with the configuration schema. */
export declare const RELEASE_PATTERN: RegExp;
export declare function parseRelease(value: string): Release | null;
/**
 * The running version, which unlike a floor carries a prerelease or a build
 * suffix. Both are dropped: a candidate of X emits what X emits.
 */
export declare function parseRunning(value: string): Release | null;
export declare function isPrerelease(value: string): boolean;
export declare function compareReleases(left: Release, right: Release): number;
/**
 * The floor a run raises the repository to, or null where it raises nothing.
 * A patch carries the format of its minor, so raising to the running patch
 * would let one invocation lock a team out over a difference no emission
 * reflects.
 */
export declare function raisedFloorFor(running: Release, declared: Release): string | null;