import { PerformanceTracer } from "./performancetracer";
export declare class JSONTracer implements PerformanceTracer {
    private stackDepth;
    private events;
    private static beginTemplate;
    private static endTemplate;
    private static namingEvents;
    constructor();
    clear(): void;
    toJSON(): string;
    postJSON(url: string): void;
    start(name: string): void;
    end(): void;
}