611   ICommonTree = interface(IBaseTree)  interface
627   ICommonErrorNode = interface(ICommonTree)
1187   TCommonTree = class(TBaseTree, ICommonTree)
1237     constructor Create(const ANode: ICommonTree); overload;  argument
1706       ITreePattern = interface(ICommonTree)
2111 function Def(const X: ICommonTree): ICommonTree; overload;  in Def()  argument
2366   Child: ICommonTree;
2379     Child := GetChild(C) as ICommonTree;
2459 constructor TCommonTree.Create(const ANode: ICommonTree);  argument
2476   Result := TCommonTree.Create(Self) as ICommonTree;
2574   FParent := Pointer(Value as ICommonTree);
2953   CommonTree: ICommonTree;
2955   if Supports(TreeNode, ICommonTree, CommonTree) then
3288   CommonTree: ICommonTree;
3300   if Supports(Start, ICommonTree, CommonTree) then
3305   if Supports(Stop, ICommonTree, CommonTree) then
5046   EmptyCommonTree: ICommonTree = nil;
5048 function Def(const X: ICommonTree): ICommonTree; overload;  in Def()  argument