import type { DatabaseInstance } from './types';
interface SandboxTestContext {
    url: string;
    db: DatabaseInstance;
    reset: () => Promise<void>;
    stop: () => Promise<void>;
}
/**
 * Spin up an in-memory sandbox server (PGlite) for integration tests.
 * The server starts once and is reused across a test file.
 */
export declare function createTestSandbox(preferredPort?: number): Promise<SandboxTestContext>;
export {};
