text: import { combineReducers } from 'redux';
  
  import { authentication } from './authentication.reducer';
  import { registration } from './registration.reducer';
  import { users } from './users.reducer';
  import { creditCardSave } from './creditCardSave.reducer';
  import { creditCard } from './creditCard.reducer';
  import { creditCards } from './creditCards.reducer';
  import { transactionSave } from './transactionSave.reducer';
  import { transactions } from './transactions.reducer';
  import { alert } from './alert.reducer';
  
  const rootReducer = combineReducers({
    authentication,
    registration,
    users,
    creditCardSave,
    creditCard,
    creditCards,
    transactions,
    transactionSave,
    alert
  });
  
  export default rootReducer;