/**
 * @file Private internals for `perf/*` modules — the shared in-process metrics
 *   array. Every recording function (timer, checkpoint, memory tracker) appends
 *   here; readers (`metrics`, `report`) consume the same array.
 */
import type { PerformanceMetrics } from './types';
/**
 * Global metrics collection (only in debug mode).
 */
export declare const performanceMetrics: PerformanceMetrics[];
