he current --help message is of a form:

release/oneclient [options] mountpoint

General options:
-h [ --help ] print help
-V [ --version ] print version
--config arg path to user config file
--authentication arg authentication type to use for connection with a
Provider. Accepted values are 'token' and
'certificate'.
-d [ --debug ] enable debug output (implies -f)
--debug_gsi enable GSI debug output
--no_check_certificate disable remote certificate validation
--proxyio force ProxyIO

FUSE options:
-o opt,... mount options
-f foreground operation
-s disable multi-threaded operation
The key points of interest for a user such as a token and a provider_hostname are not well exposed or not present at all. Apart from synopsis, there is no example proper invocation of oneclient for any of popular use cases.