message: Added unreferenced property to ITree in protocol definitions
diff: @@ -89,10 +89,11 @@ export enum TreeEntry {
  export interface ITree {
  entries: ITreeEntry[];
  -
  // Unique ID representing all entries in the tree. Can be used to optimize snapshotting in the case
  // it is known that the ITree has already been created and stored
  id?: string;
  + // Indicates that this tree is unreferenced. If this is not present, the tree is considered referenced.
  + unreferenced?: true;
  }
  export interface ISnapshotTree {
  