    # File lib/fog/aws/requests/rds/create_db_instance.rb, line 32
            def create_db_instance(db_name, options={})

              if security_groups = options.delete('DBSecurityGroups')
                options.merge!(Fog::AWS.indexed_param('DBSecurityGroups.member.%d', [*security_groups]))
              end

              request({
                'Action'  => 'CreateDBInstance',
                'DBInstanceIdentifier' => db_name,
                :parser   => Fog::Parsers::AWS::RDS::CreateDBInstance.new,
              }.merge(options))
            end