public OverpassQuery boundingBox(double southernLat,double westernLon,double northernLat,double easternLon){
  builder.append(String.format(Locale.US,"[bbox:%s,%s,%s,%s]",southernLat,westernLon,northernLat,easternLon));
  return this;
}

public OverpassQuery boundingBox ( double southernLat , double westernLon , double northernLat , double easternLon ) { builder . append ( String . format ( Locale . US , "[bbox:%s,%s,%s,%s]" , southernLat , westernLon , northernLat , easternLon ) ) ; return this ; }
defines a global bounding box that is then implicitly added to all queries ( unless they specify a different explicit bounding box )
