+ def sfa_rspec (self, *args, **kwds): pass
+ @slice_sfa_mapper
+ def sfa_allocate (self, *args, **kwds): pass
+ @slice_sfa_mapper
+ def sfa_allocate_empty (self, *args, **kwds): pass
+ @slice_sfa_mapper
+ def sfa_provision (self, *args, **kwds): pass
+ @slice_sfa_mapper
+ def sfa_provision_empty (self, *args, **kwds): pass