tree multiset 1 treemultiset 1 tree-multiset 1 multiset 1 multi-set 1 bag 1 sorted multiset 1 sorted bag 1 duplicate elements 1 count 1 multiplicity 1 red black tree 1 self-balancing 1 binary search tree 1 javascript 1 typescript 1 data structure 1 data-structure 1 sorted 1 ordering 1 collection 1 Node.js 1 CommonJS 1 ES6 1 UMD 1 esmodule 1 guava Multiset 1 stl 1 avl-tree 1 binary-search-tree 1 binary-tree 1 data-structures 1 deapth-first-search 1 deque 1 dequeue 1 dijkstra-algorithm 1 directed-graph 1 floyd-warshall-algorithm 1 graph 1 heap 1 javascript-data-structures 1 linked-list 1 red-black-tree 1