@ApiStatus.Experimental
  public static boolean isCompilerReferenceFSCaseSensitive() {
    String value = System.getProperty(FS_KEY);
    if (value == null) {
      return SystemInfo.isFileSystemCaseSensitive;
    }
    return Boolean.parseBoolean(value);
  }
@ApiStatus.Experimental
  public static boolean isCompilerReferenceFSCaseSensitive()