/**
 * Event loop monitoring for dev-tools
 * Collects event loop lag measurements every 5 seconds
 * Similar to packages/service/performance-monitor.ts
 */
interface EventLoopMonitor {
    consumeDelays: () => number[];
    start: () => void;
    stop: () => void;
}
export declare function createEventLoopMonitor(): EventLoopMonitor;
export {};