export declare class HashsetWrapper {
    private FNV_prime_32;
    private FNV_offset_basis_32;
    private hashSet;
    constructor(array: any[]);
    contains(item: any): boolean;
    getIntersection(array: any[]): any[];
    indexOf(item: any): number;
    private getItem;
    private getHash;
    private toHash;
}