internal CountType DebugValidateStatsNodeSubtree() { CountType TotalChildCountLeft = 0; CountType TotalChildCountRight = 0; if (LeftNode != null) { TotalChildCountLeft = LeftNode.DebugValidateStatsNodeSubtree(); } if (RightNode != null) { TotalChildCountRight = RightNode.DebugValidateStatsNodeSubtree(); } DebugAssert(ChildCountLeft == TotalChildCountLeft); DebugAssert(ChildCountRight == TotalChildCountRight); return(1 + this.ChildCountLeft + this.ChildCountRight); }