declare class TreeMap<T> {
    private tree;
    get size(): number;
    constructor(comparator: (lhs: T, rhs: T) => number);
    has(key: T): boolean;
    add(value: T): void;
    forEach(callback: (value: T) => any): void;
    delete(key: T): void;
    clear(): void;
    /**
     * @deprecated 不想写
     */
    keys(): never[];
    /**
     * @deprecated 不想写
     */
    values(): never[];
    /**
     * @deprecated 不想写
     */
    entries(): never[];
}
export default TreeMap;