declare export class TrieNode {

  _char: any;
  _children: Map<any, TrieNode>;
  _isCompleteWord: boolean;
  get char(): any;
  get count(): number;
  get isCompleteWord(): boolean;
  get isLeafNode(): boolean;
  constructor(char?: any): void;
  delete(char: any): void;
  get(char: any): ?TrieNode;
  has(char: any): boolean;
  set(char: any, node: TrieNode): void;
}