@Override
  protected FileIndex[] getFileIndices() {
    final FileIndex[] indices = new FileIndex[myScopeModules.size()];
    int idx = 0;
    for (final Module module : myScopeModules) {
      indices[idx++] = ModuleRootManager.getInstance(module).getFileIndex();
    }
    return indices;
  }
@Override
  protected FileIndex[] getFileIndices()