@NotNull
  static JBIterable<VirtualFile> mapToNavigatableFile(@NotNull VcsTreeModelData data) {
    return data.iterateUserObjects()
      .flatMap(entry -> {
        if (entry instanceof Change) {
          return ChangesUtil.iteratePathsCaseSensitive((Change)entry)
            .map(FilePath::getVirtualFile);
        }
        else if (entry instanceof VirtualFile) {
          return JBIterable.of((VirtualFile)entry);
        }
        else if (entry instanceof FilePath) {
          return JBIterable.of(((FilePath)entry).getVirtualFile());
        }
        return JBIterable.empty();
      })
      .filterNotNull()
      .filter(VirtualFile::isValid);
  }
@NotNull
  static JBIterable<VirtualFile> mapToNavigatableFile(@NotNull VcsTreeModelData data)