added constructor, kept Children readonly :)

Author: retailcoder

Rubberduck.Parsing/Symbols/SerializableDeclaration.cs

@@ -14,11 +14,14 @@ public class SerializableDeclarationTree
         public readonly SerializableDeclaration Node;
 
         [DataMember(IsRequired = true)]
-        public IEnumerable<SerializableDeclarationTree> Children;
+        public readonly IEnumerable<SerializableDeclarationTree> Children;
 
         public SerializableDeclarationTree(Declaration declaration)   
             : this(new SerializableDeclaration(declaration)) { }
 
+        public SerializableDeclarationTree(Declaration declaration, IEnumerable<SerializableDeclarationTree> children)
+            : this(new SerializableDeclaration(declaration), children) { }
+
         public SerializableDeclarationTree(SerializableDeclaration node)
             : this(node, Enumerable.Empty<SerializableDeclarationTree>()) { }
 

Rubberduck.Parsing/VBA/RubberduckParser.cs

@@ -499,7 +499,6 @@ private void SyncComReferences(IReadOnlyList<IVBProject> projects)
 
         private SerializableDeclarationTree GetSerializableTreeForDeclaration(Declaration declaration, List<Declaration> declarations)
         {
-            var output = new SerializableDeclarationTree(declaration);
             var children = new List<SerializableDeclarationTree>();
             var nodes = declarations.Where(x => x.ParentDeclaration.Equals(declaration)).ToList();
             declarations.RemoveAll(nodes.Contains);
@@ -508,8 +507,7 @@ private SerializableDeclarationTree GetSerializableTreeForDeclaration(Declaratio
                 children.Add(GetSerializableTreeForDeclaration(item, declarations));
             }
 
-            output.Children = children;
-            return output;
+            return new SerializableDeclarationTree(declaration, children);
         }
 
         private void LoadSerializedBuiltInReferences(RubberduckParserState state)