public class NTS
extends Object

Utility class for SSDP NTS (Notification Sub-Type) header values.

This class provides constants and utility methods for handling NTS header used in SSDP NOTIFY messages. The NTS header specifies the sub-type of notification being sent.

Key features:

• SSDP notification type constants
• Alive notification detection
• Bye-bye notification detection
• Property change notification support
• Null-safe value checking

This class is used by SSDP components to classify and process notification messages, enabling proper handling of device presence announcements and departure notifications.