code: function _getBoundingBox (result) {
    if (!result.viewport) {
      return;
    }
    const upperLeft = result.viewport.topLeftPoint;
    const bottomRight = result.viewport.btmRightPoint;
  
    return {
      south: bottomRight.lat,
      west: upperLeft.lon,
      north: upperLeft.lat,
      east: bottomRight.lon
    };
  }
docs: Transform the feature bbox into a carto.js well known format.