code: public <Type> Type finishLoading(final String assetPath, final Class<Type> assetClass,
              final AssetLoaderParameters<Type> loadingParameters) {
          if (assetManager.isLoaded(assetPath)) {
              return assetManager.get(assetPath, assetClass);
          }
          if (!eagerAssetManager.isLoaded(assetPath)) {
              eagerAssetManager.load(assetPath, assetClass, loadingParameters);
              eagerAssetManager.finishLoadingAsset(assetPath);
          }
          return eagerAssetManager.get(assetPath, assetClass);
      }
docs: Immediately loads the chosen asset. Schedules loading of the asset if it wasn't selected to be loaded already.
  
  @param assetPath internal path to the asset.
  @param assetClass class of the loaded asset.
  @param loadingParameters used if asset is not already loaded.
  @return instance of the loaded asset.
  @param <Type> type of asset class to load.