private void updateExtensionList() {
    FileTypeManagerImpl.FileTypeWithDescriptor ftd = myRecognizedFileType.getSelectedFileType();
    if (ftd == null) return;
    myPatterns.refill(myTempPatternsTable.getAssociations(ftd));
    myHashBangs.refill(myTempPatternsTable.getHashBangPatterns(ftd));
  }
private void updateExtensionList()