docs: public static boolean closeDirectByteBuffer(final ByteBuffer byteBuffer, final LogNode log) {
          if (byteBuffer != null && byteBuffer.isDirect()) {
              return AccessController.doPrivileged(new PrivilegedAction<Boolean>() {
                  @Override
                  public Boolean run() {
                      return closeDirectByteBufferPrivileged(byteBuffer, log);
                  }
              });
          } else {
              // Nothing to unmap
              return false;
          }
      }