/**
 * Construct a V3-schema MLflow trace ID from an OTel hex trace ID.
 * Format: `tr-<hex_trace_id>`.
 */
export declare function generateTraceIdV3(otelHexTraceId: string): string;
/**
 * Construct a V4-schema MLflow trace ID for the given UC location and
 * OTel hex trace ID. Format: `trace:/<location>/<hex_trace_id>`.
 */
export declare function constructTraceIdV4(location: string, otelHexTraceId: string): string;
/**
 * Parse an MLflow trace ID. For V4 IDs returns `[location, otelHexTraceId]`;
 * for V3 IDs returns `[null, raw_id]`. Mirrors Python's `parse_trace_id_v4`.
 */
export declare function parseTraceIdV4(traceId: string | null | undefined): [string | null, string | null];