Interface PseudoDOMTokenList

interface PseudoDOMTokenList {
    get length(): number;
    get value(): string;
    set value(value: string): void;
    add(...tokens: string[]): void;
    contains(token: string): boolean;
    entries(): Iterator<any>;
    forEach(callback: Function, thisArg: any): void;
    item(index: number): string;
    keys(): Iterator<any>;
    remove(...tokens: string[]): void;
    replace(oldToken: string, newToken: string): boolean;
    supports(token: string): boolean;
    toggle(token: string, force: boolean): boolean;
    values(): Iterator<any>;
}