export declare type TrieNode = {
    [k: string]: TrieNode | undefined;
};
export declare class Trie {
    data: TrieNode;
    clear: () => void;
    insert: (w: string) => void;
    collect: (len?: number, node?: TrieNode, w?: string, ws?: string[]) => string[];
    search: (w: string) => TrieNode;
    suggest: (w: string, len?: number) => (string | string[])[];
}
export declare function createTrie(): Trie;