Синхронная коммуникация — Реализация на Java (GraphQL Java)

public class User {
    private int id;
    private String name;
    private String email;
    private boolean isActive;
    private String createdAt;
    
    // getters/setters
}

public class Post {
    private int id;
    private String title;
    private String content;
    private int authorId;
    private String publishedAt;
    
    // getters/setters
}