import type { RunContext, HarnessHooks } from '../types/index.js';
import type { TracingConfig, Span, MetricsConfig, ObservabilityMetrics, SessionTelemetry } from '../types/index.js';
import { TracingService } from '../services/TracingService.js';
export declare function initTracing(config: TracingConfig): void;
export declare function startSpan(name: string, attributes?: Record<string, string | number | boolean>, parentSpanId?: string): Span;
export declare function endSpan(span: Span, status?: 'success' | 'error', error?: Error): Span;
export declare function addSpanEvent(span: Span, name: string, attributes?: Record<string, string | number | boolean>): void;
export declare function getCurrentSpan(): Span | undefined;
/**
 * Creates tracing hooks.
 * @param service Optional TracingService instance. If not provided, uses the global singleton (legacy).
 */
export declare function createTracingHooks(service?: TracingService): HarnessHooks;
export declare function createObservabilityMetrics(config?: MetricsConfig): ObservabilityMetrics;
export declare function initMetrics(metrics: ObservabilityMetrics): void;
export declare function getMetrics(): ObservabilityMetrics;
export declare function createObservabilityHooks(service?: ObservabilityMetrics): HarnessHooks;
export declare function captureSessionTelemetry(context: RunContext, result: {
    success: boolean;
    error?: Error;
}): SessionTelemetry;
export declare function createTelemetryHooks(): HarnessHooks;