@lwc/engine-server/types/index.d.ts

import './polyfills';
export { createContextProvider, register, api, track, wire, readonly, unwrap, setFeatureFlag, setFeatureFlagForTest, registerTemplate, registerComponent, registerDecorators, sanitizeAttribute, getComponentDef, isComponentConstructor, } from '@lwc/engine-core';
export { renderComponent } from './apis/render-component';
export { LightningElement } from './apis/lightning-element';