export declare class Trie {
    private readonly root;
    private readonly endSymbol;
    private _size;
    constructor();
    get size(): number;
    insert(string: string): number;
    contains(string: string): boolean;
    remove(string: string): void;
    autocomplete(string: string, limit?: number): string[];
    getWords(): string[];
    private _remove;
    private _getWords;
}