import type { Artifact, ArtifactFactory, CommittedEventMetadata, Message, Messages, Snapshot, State } from "../types";
/**
 * Generic message handler
 * @param factory the artifact factory
 * @param artifact the message handling artifact
 * @param id the reducible id (aggregate:stream or processmanager:actor)
 * @param callback the message handling callback
 * @param metadata the message metadata
 * @returns reduced snapshots of new events when artifact is reducible
 */
export default function message<S extends State, C extends Messages, E extends Messages>(factory: ArtifactFactory<S, C, E>, artifact: Artifact<S, C, E>, id: {
    stream?: string;
    actor?: string;
}, callback: (snapshot: Snapshot<S>) => Promise<Message<E>[]>, metadata: CommittedEventMetadata): Promise<Snapshot<S, E>[]>;
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