    # File lib/fog/cloudstack/requests/compute/list_security_groups.rb, line 17
            def list_security_groups(options={})
              security_groups = []
              if security_group_id = options['id']
                security_group = self.data[:security_groups][security_group_id]
                raise Fog::Compute::Cloudstack::BadRequest unless security_group
                security_groups = [security_group]
              else
                security_groups = self.data[:security_groups].values
              end

              {
                "listsecuritygroupsresponse" =>
                {
                  "count"         => security_groups.size,
                  "securitygroup" => security_groups
                }
              }
            end