import { FastifyRequest, FastifyReply } from 'fastify';
export declare const MAX_CORRELATION_ID_LENGTH = 128;
export declare function resolveCorrelationId(header: string | string[] | undefined): string;
export declare function addCorrelationId(request: FastifyRequest, reply: FastifyReply): Promise<void>;
export declare function getCorrelationId(request: FastifyRequest): string | undefined;
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