code: protected NlsRuntimeException createCopyViaClone(ExceptionTruncation truncation) {
  
      NlsRuntimeException copy = (NlsRuntimeException) JavaScriptUtil.getInstance().clone(this);
      return copy;
    }
docs: @see #createCopy(ExceptionTruncation)
  
  @param truncation the {@link ExceptionTruncation} settings.
  @return the (truncated) copy.