expo-modules-core/src/ts-declarations/NativeModule.ts

The core of Expo Modules architecture

import type { EventEmitter, EventsMap } from './EventEmitter';

/**
 * A class for all native modules. Extends the {@link EventEmitter} class.
 */
export declare class NativeModule<
  TEventsMap extends EventsMap = Record<never, never>,
> extends EventEmitter<TEventsMap> {
  /**
   * Prototypes of the native components exported by the module.
   * @private
   */
  ViewPrototypes?: { [viewName: string]: object };

  // Ideally if we don't have it, but not all modules have concrete types in `requireNativeModule`.
  [key: string]: any;
}