@NotNull
  public DownloadableLibraryType getLibraryType() {
    DownloadableLibraryType libraryType = LibraryType.EP_NAME.findExtension(myLibraryTypeClass);
    LOG.assertTrue(libraryType != null, myLibraryTypeClass);
    return libraryType;
  }
@NotNull
  public DownloadableLibraryType getLibraryType()