New returns a new websocket hub instance.

NewClient returns a new instance of the default client.

Hub is WebSocket hub instance.

Client is interface for the client type.

ClientFn is the Client creation function callback.

CloseFn is the function to be after the connectin is closed and all cleaning up has happened.

Connections is a map of Client interfaces to their corresponding WebSocket connection.

ReadFn is the function to be called directly after a read operation by the default client.