import type { TelemetrySample } from '../intent/aggregator';
export interface TracingMiddlewareOptions {
    resolveOperation?: (input: {
        req: Request;
        res?: Response;
    }) => {
        name: string;
        version: string;
    } | undefined;
    onSample?: (sample: TelemetrySample) => void;
    tenantResolver?: (req: Request) => string | undefined;
    actorResolver?: (req: Request) => string | undefined;
}
export declare function createTracingMiddleware(options?: TracingMiddlewareOptions): (req: Request, next: () => Promise<Response>) => Promise<Response>;