docs: def summit_cover(self, minAcc, maxAcc, groupBy=None, new_reg_fields=None):
          """
          *Wrapper of* ``COVER``
  
          Variant of the function :meth:`~.cover` that returns only those portions of the COVER
          result where the maximum number of regions overlap (this is done by returning only
          regions that start from a position after which the number of overlaps does not 
          increase, and stop at a position where either the number of overlapping regions decreases 
          or violates the maximum accumulation index).
          
          Equivalent to calling::
          
              cover("summit", ...)
          """
          return self.cover(minAcc, maxAcc, groupBy, new_reg_fields, cover_type="summit")