docs: public boolean isPosixManditoryFileLock() {
  
          boolean manditory = POSIX_MANDITORY_FILELOCK_DEFAULT;
  
          try {
              manditory = "true".equalsIgnoreCase(
                  System.getProperty(
                      POSIX_MANDITORY_FILELOCK_PROPERTY, manditory ? "true"
                                                                   : "false"));
          } catch (Exception e) {}
  
          return manditory;
      }