internal TreeModifiable(Repository aRepository, ITree aTree)
{
iRepository = aRepository;
iTree = aTree;
iModified = false;
iTreeAddList = new Dictionary<string, TreeModifiableNew>();
iTreeModifyList = new Dictionary<string, TreeModifiable>();
iBlobAddList = new Dictionary<string, BlobModifiableNew>();
iBlobModifyList = new Dictionary<string, BlobModifiable>();
iModeChangeList = new Dictionary<string, string>();
iDeleteList = new List<string>();
iWritten = false;
}