IIRC, this is not what we agreed.  we agreed that sentinel will get the dict this method returns and trim undesired sections from it.  i.e. even if we used `server.sentinel_mode` here to define a different set of default sections, we still need to trim undesired sections that the user explicitly defined (sentinel only support a very specific set of sections).    not sure what you attempted to do with the string compare with "sentinel" maybe i'm missing something.