import { Telemetry } from '../sdk/telemetry';
import type { BuiltTelemetry } from '../types/telemetry';
export interface LangSmithTelemetryConfig {
    apiKey?: string;
    project?: string;
    endpoint?: string;
    url?: string;
    headers?: Record<string, string> | (() => Promise<Record<string, string>>);
    transformExportedSpan?: (span: unknown) => unknown;
}
export declare class LangSmithTelemetry extends Telemetry {
    private langsmithConfig?;
    constructor(config?: LangSmithTelemetryConfig);
    build(): Promise<BuiltTelemetry>;
}