code: public static CompositeOverlay getCompositeOverlay(Collection<TileDao> tileDaos) {
  
          CompositeOverlay compositeOverlay = new CompositeOverlay();
  
          for (TileDao tileDao : tileDaos) {
              BoundedOverlay boundedOverlay = GeoPackageOverlayFactory.getBoundedOverlay(tileDao);
              compositeOverlay.addOverlay(boundedOverlay);
          }
  
          return compositeOverlay;
      }
docs: Create a composite overlay by adding tile overlays for the tile DAOs
  
  @param tileDaos collection of tile daos
  @return composite overlay