import { PSet as PS } from '../typings';
declare class PSet<T> implements PS<T> {
    box: Set<T>;
    constructor();
    add(v: T): void;
    delete(v: T): boolean;
    has(v: T): boolean;
    clear(): void;
    size(): number;
    values(): T[];
    getSet(): Set<T>;
    concat(...v: PS<T>[]): this;
    intersect(...v: PSet<T>[]): this;
    diffSet(...v: PSet<T>[]): this;
    subSetOf(v: PS<T>): boolean;
}
export { PSet };