/**
 * W3C Trace Context utilities for distributed tracing.
 * Implements the W3C Trace Context specification:
 * https://www.w3.org/TR/trace-context/
 *
 * traceparent format: version-traceId-spanId-flags
 * Example: 00-0af7651916cd43dd8448eb211c80319c-b7ad6b7169203331-01
 */
export type TraceparentData = {
    traceId: string;
    spanId: string;
    sampled: boolean;
};
/**
 * Generate a random 32-character hex trace ID (16 bytes).
 */
export declare function generateTraceId(): string;
/**
 * Generate a random 16-character hex span ID (8 bytes).
 */
export declare function generateSpanId(): string;
/**
 * Parse a W3C traceparent header into its components.
 * Returns null if the header is invalid.
 */
export declare function parseTraceparent(header: string): TraceparentData | null;
/**
 * Create a W3C traceparent header value.
 */
export declare function createTraceparent(traceId: string, spanId: string, sampled: boolean): string;
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