/**
 * ArtifactStore — in-memory test double using a Map.
 */
import type { ArtifactRecord, ArtifactWithCandidates, ArtifactStore } from './artifact-store.js';
import type { CandidateRecord } from '../candidate/candidate-store.js';
export declare class MemoryArtifactStore implements ArtifactStore {
    private readonly artifacts;
    private readonly candidatesByArtifact;
    getArtifact(artifactId: string): Promise<ArtifactRecord | null>;
    getArtifactWithCandidates(artifactId: string): Promise<ArtifactWithCandidates | null>;
    insert(record: ArtifactRecord, candidates?: CandidateRecord[]): void;
    clear(): void;
}
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