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export default function findRestaurant(    list1: string[],    list2: string[],): string[] {    const RestaurantToIndex1 = new Map(        Array.from(list1.entries()).map(([index, restaurant]) => [            restaurant,            index,        ]),    );    const RestaurantToIndex2 = new Map(        Array.from(list2.entries()).map(([index, restaurant]) => [            restaurant,            index,        ]),    );    const commonRestaurants = list1.filter((restaurant) =>        RestaurantToIndex2.has(restaurant)    );    const RestaurantsCommonToIndexSum = commonRestaurants.map(        (restaurant) =>            [                restaurant,                (RestaurantToIndex1.get(restaurant) ?? 0) +                (RestaurantToIndex2.get(restaurant) ?? 0),            ] as const,    );
    const minimumIndexSum = Math.min(        ...RestaurantsCommonToIndexSum.map((a) => a[1]),    );    return RestaurantsCommonToIndexSum.filter(        (a) => a[1] === minimumIndexSum,    ).map((a) => a[0]);}