export type UrcStatus = 'active' | 'exhausted' | 'pending';
export interface UrcRecord {
    name: string;
    createdBy: string;
    activatedAt: number;
    useCount: number;
    status: UrcStatus;
    createdByTokenBalance: number;
}
export declare class SQLiteStorage {
    private dbFile;
    private queue;
    constructor(dbDir?: string, dbName?: string);
    init(): Promise<void>;
    addUrc(record: UrcRecord): Promise<void>;
    listActiveUrcs(): Promise<UrcRecord[]>;
    claimUrc(name: string): Promise<boolean>;
    confirmMintResult(name: string, success: boolean): Promise<void>;
    markUrcExhausted(name: string): Promise<void>;
    canActivate(accountPubkey: string, nowMs?: number, cooldownHours?: number): Promise<boolean>;
    recordActivation(accountPubkey: string, tsMs: number): Promise<void>;
    private execSQL;
    private runExclusive;
}
//# sourceMappingURL=sqlite.d.ts.map