public @Nullable @NlsSafe String getNewFileTemplateName() {
    FileType fileType = FileTypeRegistry.getInstance().getFileTypeByFileName(myText);
    if (fileType != UnknownFileType.INSTANCE) {
      return fileType.getName() + " File." + fileType.getDefaultExtension();
    }
    return null;
  }
public @Nullable @NlsSafe String getNewFileTemplateName()