path can be string or a hash of options
path can be string or a hash of options

As per http://restify.com/#client-api it states:

> Note that all further documentation refers to the "short-hand"
> form of methods like get/put/del which take a string path. You
> can also pass in an object to any of those methods with extra
> params (notably headers):

So the path can be either a string or a hash of options.
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