# File lib/fog/compute/requests/aws/revoke_security_group_ingress.rb, line 28
        def revoke_security_group_ingress(group_name, options = {})
          if group_name.is_a?(Hash)
            location = caller.first
            warning = "[yellow][WARN] Fog::AWS::Compute#revoke_security_group_ingress now requires the 'group_name' parameter. Only specifying an options hash is now deprecated"
            warning << " [light_black](" << location << ")[/] "
            Formatador.display_line(warning)
            options = group_name
            group_name = options['GroupName']
          end
          request({
            'Action'    => 'RevokeSecurityGroupIngress',
            'GroupName' => group_name,
            :idempotent => true,
            :parser     => Fog::Parsers::Compute::AWS::Basic.new
          }.merge!(options))
        end