    # File lib/fog/ecloud/requests/compute/internet_service_edit.rb, line 6
            def validate_edit_internet_service_options(options)
              required_opts = [:name, :enabled, :persistence]
              unless required_opts.all? { |opt| options.has_key?(opt) }
                raise ArgumentError.new("Required data missing: #{(required_opts - options.keys).map(&:inspect).join(", ")}")
              end
              raise ArgumentError.new("Required data missing: #{:persistence[:type]}") unless options[:persistence][:type]
            end