inproc capture socket is bound or null if this proxy has not been started yet
or ZeroMqProxy.captureAddress is false.inproc control socket is bound or null if this proxy has not been started yet.Consumer to configure a proxy backend socket with arbitrary options, like security.Consumer to configure a proxy frontend socket with arbitrary options, like security.ZeroMqProxy instance in the same application
to rely on its ports configuration and make a natural lifecycle dependency without guessing
when the proxy is started.SubscribableChannel implementation over ZeroMQ sockets.ZeroMqProxy instance based on the provided ZContext
and ZeroMqProxy.Type.PULL_PUSH as default mode.