/**
 * CandidateStore — in-memory test double using a Map.
 */
import type { CandidateRecord, CandidateStore } from './candidate-store.js';
export declare class MemoryCandidateStore implements CandidateStore {
    private readonly candidates;
    /**
     * Returns candidates filtered directly by taskId field.
     * Note: SQLite version JOINs tasks→runs→commits→candidates.
     * This test double uses the denormalized taskId field directly,
     * which is equivalent in normal data flows.
     */
    getCandidatesByTaskId(taskId: string): Promise<CandidateRecord[]>;
    getCandidate(candidateId: string): Promise<CandidateRecord | null>;
    updateCandidateStatus(candidateId: string, patch: {
        status: CandidateRecord['status'];
    }): Promise<boolean>;
    transitionCandidateStatus(candidateId: string, expectedStatus: CandidateRecord['status'], newStatus: CandidateRecord['status']): Promise<boolean>;
    insert(record: CandidateRecord): void;
    clear(): void;
}
//# sourceMappingURL=memory-candidate-store.d.ts.map