import type { AggregateFactory, Messages, Reducible, Snapshot, State } from "../types";
/**
 * Reduces artifact from store
 * @param reducible the reducible artifact
 * @param id the reducible id (agg:stream or processmanager:actor)
 * @param callback optional reduction predicate
 * @returns a snapshot
 */
export declare function reduce<S extends State, E extends Messages>(reducible: Reducible<S, E>, id: {
    stream?: string;
    actor?: string;
}, callback?: (snapshot: Snapshot<S, E>) => void): Promise<Snapshot<S, E>>;
/**
 * Loads aggregate from store
 * @param factory the aggregate factory
 * @param stream the aggregate id (stream)
 * @param callback optional reduction predicate
 * @returns current snapshot
 */
export declare function load<S extends State, C extends Messages, E extends Messages>(factory: AggregateFactory<S, C, E>, stream: string, callback?: (snapshot: Snapshot<S, E>) => void): Promise<Snapshot<S, E>>;
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