    # File lib/fog/vcloud/requests/compute/configure_network.rb, line 6
            def validate_network_data(network_data, configure=false)
              valid_opts = [:id, :href, :name, :address, :broadcast, :gateway]
              unless valid_opts.all? { |opt| network_data.has_key?(opt) }
                raise ArgumentError.new("Required data missing: #{(valid_opts - network_data.keys).map(&:inspect).join(", ")}")
              end
            end