code: def search_qualification_types(self, query=None, sort_by='Name',
                                     sort_direction='Ascending', page_size=10,
                                     page_number=1, must_be_requestable=True,
                                     must_be_owned_by_caller=True):
          
          params = {'Query' : query,
                    'SortProperty' : sort_by,
                    'SortDirection' : sort_direction,
                    'PageSize' : page_size,
                    'PageNumber' : page_number,
                    'MustBeRequestable' : must_be_requestable,
                    'MustBeOwnedByCaller' : must_be_owned_by_caller}
          return self._process_request('SearchQualificationTypes', params,
                      [('QualificationType', QualificationType),])
docs: TODO: Document.