public SnapToRoadsApiRequest interpolate(boolean interpolate) {
    return param("interpolate", String.valueOf(interpolate));
  }
Whether to interpolate a path to include all points forming the full road-geometry.

@param interpolate if the points should be interpolated or not
@return returns this {@code SnapToRoadsApiRequest} for call chaining.
src/main/java/com/google/maps/SnapToRoadsApiRequest.java