AsyncPortForwarder
AsyncPortForwarder.forward()
AsyncPortForwarder.is_stopped()
AsyncPortForwarder.stop()
LogLevel
LogLevel.DEBUG
LogLevel.ERROR
LogLevel.INFO
LogLevel.OFF
LogLevel.WARN
PortForwarder
PortForwarder.forward()
PortForwarder.is_stopped
PortForwarder.stop()
PortforwardError
forward()