docs: public static FileLock getFileLock(java.io.RandomAccessFile file, String fileName) throws java.io.IOException
      {
          return (FileLock) Utils.getImpl("com.ibm.ws.objectManager.utils.FileLockImpl",
                                          new Class[] { java.io.RandomAccessFile.class, String.class },
                                          new Object[] { file, fileName });
      }