1. quasar
   1. quasar.fp
   2. quasar.physical
      1. quasar.physical.postgresql
         1. (object)
            common
         1. quasar.physical.postgresql.fs
            1. (object)
               managefile
            2. (object)
               queryfile
            3. (object)
               readfile
            4. (object)
               writefile