port from perforce

intromat/Intromat/PersistentModel/NetworkModel.cs

@@ -0,0 +1,21 @@
+using System.Collections.Generic;
+using System.Xml.Serialization;
+
+namespace Intromat.PersistentModel
+{
+    [XmlRoot("Network", Namespace = NodeModelBase._namespace)]
+    public class NetworkModel
+    {
+        [XmlElement]
+        public NodeCollectionModel Nodes { get; set; } = new();
+
+        [XmlArray]
+        public List<ConnectionModel> Connections { get; set; } = new();
+        
+        [XmlArray]
+        public List<NodeMetaData> MetaData { get; set; } = new();
+        
+        [XmlArray]
+        public List<NetworkModel> SubNetworks { get; set; } = new();
+    }
+}