declare class Mask {
    private _value;
    private _hashIndex;
    private _hashCount;
    constructor(mask: number | Mask);
    get value(): number;
    get level(): number;
    get hashIndex(): number;
    get hashCount(): number;
    isSignificant(level: number): boolean;
    apply(level: number): Mask;
    private static countSetBits;
}
export { Mask };