@base.resource(acc.Accesses)
    def accesses(self):
        return acc.Accesses(self)
Given a Guid obj, recursively search for the metadata of its referent (a file obj)
dataset/ETHPy150Open ducksboard/libsaas/libsaas/services/basecamp/calendars.py/Calendar.accesses--crossover with--dataset/ETHPy150Open CenterForOpenScience/osf.io/website/project/views/comment.py/find_and_create_file_from_metadata