* Returns all input sequences joined with newline characters as a single string.
     * This is useful for display purposes in forms and user interfaces.
     *
     * @return string representation of all inputs separated by newlines, or empty string if inputs is null
     */
    public String getInputsValue() {
        if (inputs == null) {
            return StringUtil.EMPTY;
        }
        return String.join("\n", inputs);
    }

                    logger.debug("Failed to process an input stream.", e);
                }
            }
        }
    }

    /**
     * Returns all buffered lines as a single string, separated by newlines.
     *
     * @return the concatenated output of all buffered lines
     */
    public String getOutput() {
        final StringBuilder buf = new StringBuilder(100);
        for (final String value : list) {