import type { StorageBackend, RunResult } from './backend.js';
export declare class SqlJsBackend implements StorageBackend {
    private db;
    private dbPath;
    private constructor();
    static create(dbPath?: string): Promise<SqlJsBackend>;
    run(sql: string, params?: unknown[]): RunResult;
    all<T = Record<string, unknown>>(sql: string, params?: unknown[]): T[];
    get<T = Record<string, unknown>>(sql: string, params?: unknown[]): T | undefined;
    transaction<R>(fn: () => R): R;
    exec(sql: string): void;
    serialize(): Buffer | null;
    /** Save the in-memory database to disk. */
    save(): void;
    close(): void;
}
//# sourceMappingURL=sqljs-backend.d.ts.map