/**
 * Filter out "time" metadata about the package
 * and deprecated versions.
 */
export declare const getSanitisedReleases: (versions: Record<string, {
    deprecated?: string;
    time: string;
}>, currentVersion: string) => Record<string, string>;
/**
 * Filter pre-release versions.
 */
export declare const getStableReleases: (releases: Record<string, string>) => Record<string, string>;
/**
 * Tally releases by type.
 */
export declare const getReleasesByType: (versions: string[]) => Record<"major" | "minor" | "patch", number>;