import type { Sampler } from "../sampler.js";
import type { SpanInterface, SpanOptions, TraceOptions } from "../types.js";
type RequestFn = <T>(method: string, path: string, body?: unknown) => Promise<T>;
export declare class TracingClient {
    private readonly request;
    private readonly serviceName;
    private readonly enabled;
    private readonly sampler;
    private pendingSpans;
    private flushTimer;
    private droppedSpans;
    private destroyed;
    private readonly flushIntervalMs;
    private readonly maxBatchSize;
    private readonly maxQueueSize;
    private readonly maxRetries;
    constructor(request: RequestFn, serviceName: string, enabled: boolean, sampler: Sampler);
    destroy(): void;
    trace<T>(name: string, fn: (span: SpanInterface) => Promise<T>, options?: TraceOptions): Promise<T>;
    startSpan(name: string, options?: SpanOptions): SpanInterface;
    captureError(error: Error, context?: Record<string, string>): void;
    private addSpan;
    flush(): Promise<void>;
}
export {};
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