import { Maybe } from "../util/maybe.js";
import { SemVer } from "../util/semver.js";
export type Version = SemVer | "latest" | "patch" | "none";
export declare function Version(v: string): Maybe<Version>;
export declare namespace Version {
    const isSemVer: (v: Version) => v is SemVer;
    const isLatest: (v: Version | string) => v is "latest";
    const isPatch: (v: Version | string) => v is "patch";
    const isNone: (v: Version | string) => v is "none";
}
export declare function MatchVersion(ver: Version, candidates: SemVer[]): Maybe<SemVer>;