import type { TracingConfig, Span } from '../types/index.js';
export declare class TracingService {
    private config;
    private spanStack;
    constructor(config?: TracingConfig);
    init(config: TracingConfig): void;
    startSpan(name: string, attributes?: Record<string, string | number | boolean>, parentSpanId?: string): Span;
    endSpan(span: Span, status?: 'success' | 'error', error?: Error): Span;
    addSpanEvent(span: Span, name: string, attributes?: Record<string, string | number | boolean>): void;
    getCurrentSpan(): Span | undefined;
    private generateSpanId;
}