import { EventEmitter } from '../utils/EventEmitter';
interface TimingData {
    start: number;
    end: number;
    duration: number;
}
interface MetricData {
    count: number;
    total: number;
    min: number;
    max: number;
    average: number;
}
export declare class Performance extends EventEmitter {
    private timings;
    private metrics;
    private logger;
    constructor();
    private getTimestamp;
    startTiming(label: string): void;
    endTiming(label: string): number;
    recordMetric(name: string, value: number): void;
    trackMemoryUsage(interval?: number): () => void;
    getTimings(label: string): TimingData[];
    getMetric(name: string): MetricData | undefined;
    getAllMetrics(): Map<string, MetricData>;
    clearTimings(): void;
    clearMetrics(): void;
    generateReport(): string;
    measureAsync<T>(label: string, fn: () => Promise<T>): Promise<T>;
    measure<T>(label: string, fn: () => T): T;
    startProfiling(label: string): void;
    endProfiling(label: string): void;
    measureOperationTime<T>(label: string, fn: () => T): T;
}
export declare const performance: Performance;
export declare function Measure(label?: string): (target: any, propertyKey: string, descriptor: PropertyDescriptor) => PropertyDescriptor;
export declare function MeasureAsync(label?: string): (target: any, propertyKey: string, descriptor: PropertyDescriptor) => PropertyDescriptor;
export {};