import type { EngineReadModel } from "@nanobpm/engine-testkit";
import type { TestApp } from "../boot-app.ts";
/** The engine read model the `assertThat*` matchers assert over, taken from a
 *  booted app: instance reads flow through the overridable `app.snapshot()` seam,
 *  user-task reads through the app's WASM engine. */
export declare function engineReadModel(app: TestApp): EngineReadModel;