PA_MODULE_USAGE(
        "name=<name of the sink, to be prefixed> "
        "sink_name=<name for the sink> "
        "sink_properties=<properties for the sink> "
        "server=<address> "
        "protocol=<transport protocol> "
        "encryption=<encryption type> "
        "codec=<audio codec> "
        "format=<sample format> "
        "rate=<sample rate> "
        "channels=<number of channels> "
        "username=<authentication user name, default: \"iTunes\"> "
        "password=<authentication password>");