@Override
    public AutocompletePrediction[] getResult() {
      return predictions;
    }
The distance (in meters) within which to return place results. Note that setting a radius
biases results to the indicated area, but may not fully restrict results to the specified area.

@param radius The radius around which to bias results.
@return Returns this {@code QueryAutocompleteRequest} for call chaining.
src/main/java/com/google/maps/QueryAutocompleteRequest.java