/**
 * Allowed arithmetic operators
 */
export type CompareOperator = '>' | '>=' | '=' | '<' | '<=' | '!=';
export declare const semver: RegExp;
export declare const validateAndParse: (version: string) => RegExpMatchArray;
export declare const compareSegments: (a: string | string[] | RegExpMatchArray, b: string | string[] | RegExpMatchArray) => 0 | 1 | -1;