description import { combineReducers } from 'redux' ; import serversReducer from './serversReducer' ; import messagesReducer from './messagesReducer' ; import navigationReducer from './navigationReducer' ; const reducers = combineReducers ( { servers : serversReducer , messages : messagesReducer , navigation : navigationReducer , } ) ; export default reducers ; export type RootState = ReturnType < typeof reducers > ;