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Low-Level Design Problem Statement for a Professional Services Platform
Objective:
Design a modular and scalable platform using Object-Oriented Design (OOD) principles that enables professionals to:

1.	On Boarding Users and manage personalized service.
2.	Schedule and manage appointments.
3.	Notifications and Communication

Core Requirements

User Registration and Authentication:
•	Users (professionals and clients) must be able to securely register, log in, and authenticate on the platform.
•	The system should support user role management (professional vs client), password management, and account deletion.
Service Management:
•	Professionals must be able to create, update, and delete their services, including multimedia content and custom URLs.
•	Clients must be able to view and book these Service.
Appointment Scheduling:
•	Professionals must set their availability and allow clients to book, reschedule, or cancel appointments based on that availability.
•	Appointment confirmations, reminders, and notifications should be handled automatically.
Notifications and Communication:
•	Users must receive notifications for key events, such as appointment confirmations, reminders, or profile updates.
•	Communication tools (e.g., messaging or video calls) should be available for client-professional interaction.

Class, Interface, Objects, Methods, Database Schema, API's Design, Design Patterns Only