/**
 * @license
 * Copyright 2026 Steven Roussey <sroussey@gmail.com>
 * SPDX-License-Identifier: Apache-2.0
 */
/**
 * Compact wall-clock for CLI usage lines. Empty when `ms` is not a finite ≥0 number.
 *
 * - `<1s` → `847ms`
 * - `<60s` → `12.4s`
 * - `<1h` → `2m 15s` (omit zero seconds)
 * - `≥1h` → `1h 3m` (omit zero minutes)
 */
export declare function formatCliDuration(ms: number): string;