code: def get_quoted_foreign_columns(self, platform):
          
          columns = []
  
          for column in self._foreign_column_names.values():
              columns.append(column.get_quoted_name(platform))
  
          return columns
docs: Returns the quoted representation of the referenced table column names
          the foreign key constraint is associated with.
  
          But only if they were defined with one or the referenced table column name
          is a keyword reserved by the platform.
          Otherwise the plain unquoted value as inserted is returned.
  
          :param platform: The platform to use for quotation.
          :type platform: Platform
  
          :rtype: list