code: public void notifyPathLoaded(String path, boolean success) {
      boolean soundIsKnown = false;
      for (int pathIdx = 0; pathIdx < idToPaths.size(); ++pathIdx) {
        if (idToPaths.valueAt(pathIdx).equals(path)) {
          if (listener != null) {
            listener.onLoadComplete(realObject, idToPaths.keyAt(pathIdx), success ? 0 : 1);
          }
          soundIsKnown = true;
        }
      }
      if (!soundIsKnown) {
        throw new IllegalArgumentException("Unknown sound. You need to call load() first");
      }
    }
docs: Notify the {@link OnLoadCompleteListener}, if present, that the given path was loaded.