declare export class Trie {

  _root: TrieNode;
  get root(): TrieNode;
  constructor(iterable?: Array<string>): void;
  contains(word: string): boolean;
  includes(word: string): boolean;
  insert(word: string): void;
  remove(word: string): boolean;
  search(query: string): {isCompleteWord: boolean, isMatch: boolean, matchedChars: number, node: ?TrieNode, query: string};
  startsWith(prefix: string): boolean;
}