/**
 * Correlation Extension Group (org.peacprotocol/correlation)
 *
 * Records workflow correlation and traceability metadata.
 * OpenTelemetry-compatible trace and span IDs.
 * Shipped in v0.12.0-preview.1.
 */
import { z } from 'zod';
export declare const CORRELATION_EXTENSION_KEY: "org.peacprotocol/correlation";
export declare const CorrelationExtensionSchema: z.ZodObject<{
    trace_id: z.ZodOptional<z.ZodString>;
    span_id: z.ZodOptional<z.ZodString>;
    workflow_id: z.ZodOptional<z.ZodString>;
    parent_jti: z.ZodOptional<z.ZodString>;
    depends_on: z.ZodOptional<z.ZodArray<z.ZodString>>;
}, z.core.$strict>;
export type CorrelationExtension = z.infer<typeof CorrelationExtensionSchema>;
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