NIOWebSocketClientUpgrader

public final class NIOWebSocketClientUpgrader : NIOHTTPClientProtocolUpgrader

A HTTPClientProtocolUpgrader that knows how to do the WebSocket upgrade dance.

This upgrader assumes that the HTTPClientUpgradeHandler will create and send the upgrade request. This upgrader also assumes that the HTTPClientUpgradeHandler will appropriately mutate the pipeline to remove the HTTP ChannelHandlers.