@shopify/app-bridge-host/store/reducers/embeddedApp/legacy/index.d.ts

App Bridge Host contains middleware and components that are meant to be consumed by the app's host. The middleware and `Frame` component are responsible for facilitating messages posted between the client and host, and used to act on actions sent from the

import legacyReducer, { defaultLegacyStore } from './reducer';
export default legacyReducer;
export * from './actions';
export * from './actionCreators';
export { defaultLegacyStore };