export interface SqlDatabase {
    run(sql: string, params?: (string | number | Uint8Array | null)[]): void;
    exec(sql: string, params?: (string | number)[]): Array<{
        columns: string[];
        values: unknown[][];
    }>;
    export(): Uint8Array;
    close(): void;
}
export interface SqliteStoreInitOptions {
    /** Human store name for honest versioning messages. */
    readonly storeName?: string | undefined;
    /** Target `PRAGMA user_version` for this store (default 1). */
    readonly schemaVersion?: number | undefined;
    /**
     * Ordered migrations to the target version. When omitted, the base schema
     * function doubles as the single migration to the target version (safe
     * because every base schema here is IF NOT EXISTS-idempotent).
     */
    readonly migrations?: ReadonlyArray<{
        readonly toVersion: number;
        readonly migrate: (db: SqlDatabase) => void;
    }> | undefined;
}
export declare class SQLiteStore {
    private db;
    private readonly dbPath;
    private initPromise;
    private saveBatchDepth;
    private saveDirty;
    constructor(dbPath?: string);
    get isReady(): boolean;
    /** The on-disk database path, or null for an ephemeral/in-memory store. */
    get databasePath(): string | null;
    init(schema: (db: SqlDatabase) => void, options?: SqliteStoreInitOptions): Promise<void>;
    run(sql: string, params?: (string | number | Uint8Array | null)[]): void;
    exec(sql: string, params?: (string | number)[]): Array<{
        columns: string[];
        values: unknown[][];
    }>;
    batch<T>(operation: () => Promise<T>): Promise<T>;
    save(): Promise<boolean>;
    close(): void;
    private initialize;
    private getDb;
}
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