export declare class Set {
    private static _d3set;
    static d3set: (array: any) => any;
    static All: () => (array: any) => any;
    static has: (d: any) => any;
    static add: (d: any) => any;
    static remove: (d: any) => any;
    static empty: () => any;
    static size: () => any;
}