import SemVerLevel from './SemVerLevel';
export declare function getUpgradedVersion(version: string, level: SemVerLevel): string;
export declare function sortFunction(a: string, b: string): 0 | 1 | -1;
export declare function isGreaterThan(subject: string, compareWith: string): boolean;
export declare function normalize(version: string): string;
export declare function normalizeString(version: string): string;
export declare function numerize(version: string): number;