    # File lib/fog/aws/requests/rds/delete_db_parameter_group.rb, line 29
            def delete_db_parameter_group(group_name)
              response = Excon::Response.new

              if self.data[:parameter_groups].delete(group_name)
                response.status = 200
                response.body = {
                  "ResponseMetadata"=>{ "RequestId"=> Fog::AWS::Mock.request_id },
                }
                response
              else
                raise Fog::AWS::RDS::NotFound.new("DBParameterGroup not found: #{group_name}")
              end
            end