public TextSearchRequest openNow(boolean openNow) {
    return param("opennow", String.valueOf(openNow));
  }
Restricts to only those places that are open for business at the time the query is sent.

@param openNow Whether to restrict this search to open places.
@return Returns this {@code TextSearchRequest} for call chaining.
src/main/java/com/google/maps/TextSearchRequest.java