cocoa - How to determine a volume supports resolving bookmarks to renamed or moved files? -

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- bookmarkdatawithoptions:includingresourcevaluesforkeys:relativetourl:error:

documentation states:

this method returns bookmark data can later resolved url object file if user moves or renames (if volume format on file resides supports doing so).

my question is, how can query if volume supports feature?

from trial , error seems (internal?) hard drives support it, looking kind of sure test nsurlvolumesupports???key.

nsurlvolumesupportspersistentidskey looks candidate, failed find docs or google-info it. hints?


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