* logger.log(format("DXXX0000", arg1, arg2, arg3));
     * </pre>
     *
     * @param logMessage
     *            Log message. Must not be {@literal null}.
     */
    public void log(final LogMessage logMessage) {
        assertArgumentNotNull("logMessage", logMessage);

        log(logMessage, null);
    }

    /**
     * Outputs a log entry.
     * <p>

        crawlerStatsHelper.begin(key);
        crawlerStatsHelper.record(key, "action\twith\ttabs");
        crawlerStatsHelper.done(key);

        String logMessage = localLogMsg.get();
        assertTrue(logMessage.contains("action with tabs:"));
        assertFalse(logMessage.contains("action\twith\ttabs:"));
    }

    @Test
    public void test_unsupportedKeyType() {
        Object key = new Object();

                                                        <td>${f:h(data.requestedAt)}</td>
                                                        <td>${f:h(data.logMessage)}</td>
                                                    </tr>
                                                </c:if>
                                                <c:if test="${logType.endsWith('_agg')}">