Interface Package<TOption>

interface Package<TOption> {
    clone(): ThisType<Package<TOption>>;
    getOption<K extends string | number | symbol>(key: K): TOption[K];
    isActive(): boolean;
    setOption<K extends string | number | symbol>(
        key: K,
        value: TOption[K],
    ): this;
    setOptions(partialOptions: Partial<TOption>): this;
}