import { StreamData, StreamRole } from '../../../types/stream';
export declare class RouterTelemetry {
    private telemetryService;
    constructor(appId: string);
    startStreamSpan(input: StreamData, role: StreamRole): void;
    setStreamError(error: string): void;
    setStreamErrorFromOutput(output: any): void;
    setStreamErrorFromException(err: Error): void;
    setStreamAttributes(attributes: Record<string, any>): void;
    endStreamSpan(): void;
}