export declare const versionGroup = "([0-9a-zA-Z_]+(?:[.-][0-9a-zA-Z_]+)*)";
export declare const matchVersion: RegExp;
export declare const exactVersion: RegExp;
export declare const inclusiveBound: RegExp;
export declare const lowerBound: RegExp;
export declare const upperBound: RegExp;
export declare const ascendingRange: RegExp;
export declare const descendingRange: RegExp;