public DistanceMatrixApiRequest destinations(LatLng... points) {
    return param("destinations", join('|', points));
  }
One or more latitude/longitude values to which to calculate distance and time.

@param points The destination points.
@return Returns this {@code DistanceMatrixApiRequest} for call chaining.
src/main/java/com/google/maps/DistanceMatrixApiRequest.java