# Hierarchy For Package io.undertow.websockets

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - io.undertow.websockets.WebSocketExtension
  - io.undertow.websockets.WebSocketExtension.Parameter
  - io.undertow.websockets.WebSocketProtocolHandshakeHandler (implements io.undertow.server.HttpHandler)

## Interface Hierarchy

- io.undertow.websockets.WebSocketConnectionCallback