import type { IInboundMessageMapper, SerializedDomainEvent } from "@dugongjs/core";
import type { EachMessagePayload } from "kafkajs";
/**
 * InboundMessageMapperKafkaJs is an implementation of the IInboundMessageMapper interface that maps KafkaJs EachMessagePayload to a SerializedDomainEvent.
 */
export declare class InboundMessageMapperKafkaJs implements IInboundMessageMapper<EachMessagePayload> {
    /**
     * Maps a KafkaJs EachMessagePayload to a SerializedDomainEvent by extracting the necessary fields from the message headers and value.
     * @param messagePayload The EachMessagePayload received from KafkaJs, containing the message and its metadata.
     * @returns A SerializedDomainEvent object constructed from the message payload.
     */
    map(messagePayload: EachMessagePayload): SerializedDomainEvent;
}