public NearbySearchRequest maxPrice(PriceLevel priceLevel) {
    return param("maxprice", priceLevel);
  }
Restricts to places that are at most this price level.

@param priceLevel The price level to set as maximum.
@return Returns this {@code NearbyApiRequest} for call chaining.
src/main/java/com/google/maps/NearbySearchRequest.java