122 struct SuffixTreeNode {  struct
129   DenseMap<unsigned, SuffixTreeNode *> Children;
132   unsigned StartIdx = EmptyIdx;
140   unsigned *EndIdx = nullptr;
145   unsigned SuffixIdx = EmptyIdx;
165   SuffixTreeNode *Link = nullptr;
169   unsigned ConcatLen = 0;
172   bool isLeaf() const { return SuffixIdx != EmptyIdx; }  in isLeaf()
175   bool isRoot() const { return StartIdx == EmptyIdx; }  in isRoot()
178   size_t size() const {  in size()
191   SuffixTreeNode(unsigned StartIdx, unsigned *EndIdx, SuffixTreeNode *Link)  in SuffixTreeNode()  argument
194   SuffixTreeNode() {}  in SuffixTreeNode()  function