import { ReleaseType } from "semver";
/**
 * Filter versions by release type.
 */
export declare const getReleasesByType: (versions: string[], type: ReleaseType) => string[];
/**
 * Filter out "time" metadata about the package.
 */
export declare const getSanitisedReleases: (releases: Map<string, string>) => Map<string, string>;
/**
 * Filter pre-release versions.
 */
export declare const getStableReleases: (releases: Map<string, string>) => Map<string, string>;