/**
 * OpenTelemetry Bridge
 * Bidirectional context propagation between NeuroLink and OpenTelemetry
 */
import { type Context, type SpanContext } from "@opentelemetry/api";
import type { SpanData } from "../types/index.js";
import { type SpanType } from "../types/index.js";
/**
 * Bridge for bidirectional context propagation between
 * NeuroLink's observability system and OpenTelemetry
 */
export declare class OtelBridge {
    private readonly tracer;
    /**
     * Extract trace context from incoming request headers
     */
    extractContext(headers: Record<string, string>): SpanContext | null;
    /**
     * Inject trace context into outgoing request headers
     */
    injectContext(headers: Record<string, string>, otelContext?: Context): Record<string, string>;
    /**
     * Create a NeuroLink span from OpenTelemetry context
     */
    createSpanFromOtelContext(spanContext: SpanContext, type: SpanType, name: string): SpanData;
    /**
     * Wrap a function with OpenTelemetry tracing that also creates NeuroLink spans
     */
    wrapWithTracing<T>(name: string, type: SpanType, fn: (span: SpanData) => Promise<T>, onSpanEnd?: (span: SpanData) => void): Promise<T>;
    /**
     * Convert NeuroLink span to OpenTelemetry span and export
     */
    exportToOtel(span: SpanData): void;
    /**
     * Get current trace context for correlation
     */
    getCurrentTraceContext(): {
        traceId: string;
        spanId: string;
    } | null;
    /**
     * Filter attributes to only include OTel-compatible types
     */
    private filterAttributes;
    /**
     * Filter event attributes
     */
    private filterEventAttributes;
}