code: public static MultiLineString of(Iterable<LineString> lineStrings) {
          AreaPositions.Builder positionsBuilder = AreaPositions.builder();
          for(LineString lineString : lineStrings) {
              positionsBuilder.addLinearPosition(lineString.positions());
          }
          return new MultiLineString(positionsBuilder.build());
      }
docs: Creates a MultiLineString from the given LineStrings.
  
  @param lineStrings The Iterable of {@link LineString}.
  @return MultiLineString.