export declare const setHandler: {
    [x: string]: number | (() => void) | ((callback: any, thisArg?: any) => void);
    readonly size: number;
    has(value: any): boolean;
    add(value: any): {
        [x: string]: number | (() => void) | ((callback: any, thisArg?: any) => void);
        readonly size: number;
        has(value: any): boolean;
        add(value: any): any;
        delete(value: any): boolean;
        clear(): void;
        values(): IterableIterator<any>;
        entries(): IterableIterator<[any, any]>;
        keys(): IterableIterator<any>;
        forEach(callback: any, thisArg?: any): void;
    };
    delete(value: any): boolean;
    clear(): void;
    values(): IterableIterator<any>;
    entries(): IterableIterator<[any, any]>;
    keys(): IterableIterator<any>;
    forEach(callback: any, thisArg?: any): void;
};
export declare const setHandlerKeys: (string | number | symbol)[];