    # File lib/fog/brightbox/models/compute/firewall_policy.rb, line 23
            def save
              raise Fog::Errors::Error.new('Resaving an existing object may create a duplicate') if persisted?
              options = {
                :server_group => server_group_id,
                :name => name,
                :description => description
              }.delete_if {|k,v| v.nil? || v == "" }
              data = service.create_firewall_policy(options)
              merge_attributes(data)
              true
            end