# 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