/**
 * Flagged-account storage: load/save/clear + transactional update.
 *
 * Split out of `lib/storage.ts` in RC-2. Flagged accounts live in a sibling
 * file next to the main accounts file and follow the same mutex, temp-file +
 * rename, and legacy-file migration pattern — just with a simpler V1-only
 * schema and different legacy filenames (flagged-accounts.json and the
 * older blocked-accounts.json).
 */
import type { AccountMetadataV3 } from "./migrations.js";
export interface FlaggedAccountMetadataV1 extends AccountMetadataV3 {
    flaggedAt: number;
    flaggedReason?: string;
    lastError?: string;
}
export interface FlaggedAccountStorageV1 {
    version: 1;
    accounts: FlaggedAccountMetadataV1[];
}
export declare function getFlaggedAccountsPath(): string;
export declare function loadFlaggedAccounts(): Promise<FlaggedAccountStorageV1>;
/**
 * Executes a read-modify-write transaction for flagged account storage under the
 * shared storage lock so concurrent callers cannot lose updates.
 */
export declare function withFlaggedAccountStorageTransaction<T>(handler: (current: FlaggedAccountStorageV1, persist: (storage: FlaggedAccountStorageV1) => Promise<void>) => Promise<T>): Promise<T>;
export declare function saveFlaggedAccounts(storage: FlaggedAccountStorageV1): Promise<void>;
export declare function clearFlaggedAccounts(): Promise<void>;
//# sourceMappingURL=flagged.d.ts.map