209   bool LinkListContains(Node* head, const Slice& key) const;
258   Node* FindGreaterOrEqualInBucket(Node* head, const Slice& key) const;
259   Node* FindLessOrEqualInBucket(Node* head, const Slice& key) const;
328                               Node* head)  in LinkListIterator()  argument
330           head_(head),  in LinkListIterator()
392     void Reset(Node* head) {  in Reset()  argument
393       head_ = head;  in Reset()
796 bool HashLinkListRep::LinkListContains(Node* head,  in LinkListContains()  argument
798   Node* x = FindGreaterOrEqualInBucket(head, user_key);  in LinkListContains()
802 Node* HashLinkListRep::FindGreaterOrEqualInBucket(Node* head,  in FindGreaterOrEqualInBucket()  argument
804   Node* x = head;  in FindGreaterOrEqualInBucket()
812     assert((x == head) || (next == nullptr) || KeyIsAfterNode(next->key, x));  in FindGreaterOrEqualInBucket()