interface HandlerStatsRecord {
    time: number;
    error?: boolean;
    numResponses?: number;
}
export interface HandlerStatsReport {
    invocations: number;
    avgTime: number;
    errors: number;
    errorRate: number;
    avgResponseCount: number;
}
export interface Stats {
    origin: string;
    domain: string | null;
    service: Record<string, HandlerStatsReport>;
    client: Record<string, HandlerStatsReport>;
}
declare class ServiceStats {
    private statsData;
    private filter;
    constructor(config?: {
        filter?: (domain: string, method: string) => boolean;
    });
    record(domain: string, method: string, { time, error, numResponses }: HandlerStatsRecord): void;
    get stats(): Record<string, HandlerStatsReport>;
}
export default ServiceStats;