@Nullable
  public static String detectInterpreter(@Nullable String shebang) {
    if (shebang == null || !shebang.startsWith(PREFIX)) return null;

    String interpreterPath = getInterpreterPath(shebang.substring(PREFIX.length()).trim());
    String lowerCasePath = SystemInfo.isFileSystemCaseSensitive ? interpreterPath.toLowerCase(Locale.ENGLISH) : interpreterPath;

    return trimKnownExt(PathUtil.getFileName(lowerCasePath));
  }
@Nullable
  public static String detectInterpreter(@Nullable String shebang)