import type { Specifier } from '../../specifier/index.js';
/**
 * From an array of instances where every instance contains a valid semver
 * version, return the highest version number
 */
export declare function getHighestVersion(specifiers: Specifier.Any[]): import("effect/Effect").Effect<Specifier.Any, import("../../specifier/lib/non-semver-error.js").NonSemverError, never>;