}

    /**
     * Returns the elapsed time since clock initialization.
     * This is a convenience method equivalent to {@code get().elapsedTime()}.
     *
     * @return the duration since clock initialization
     */
    public static Duration elapsed() {
        return get().elapsedTime();
    }

    /**
     * Returns a monotonically increasing instant.
     * <p>

            logger.info("[RAG:INTENT] Intent detected. intent={}, query={}, elapsedTime={}ms", result.getIntent(), result.getQuery(),
                    System.currentTimeMillis() - startTime);
            if (logger.isDebugEnabled()) {
                logger.debug("[RAG:INTENT] Intent detection completed. intent={}, query={}, reasoning={}, elapsedTime={}ms",

                    session.getSessionId(), e.getErrorCode(), e.getMessage(), System.currentTimeMillis() - startTime, e);
            callback.onError("llm", e.getErrorCode());
            throw e;
        } catch (final Exception e) {
            logger.warn("[RAG] Unexpected error during enhanced chat. sessionId={}, error={}, elapsedTime={}ms", session.getSessionId(),

            logger.warn("[LLM] Chat request failed. llmType={}, error={}, elapsedTime={}ms", llmType, e.getMessage(),
                    System.currentTimeMillis() - startTime);
            throw e;
        } catch (final Exception e) {
            logger.warn("[LLM] Chat request failed with unexpected error. llmType={}, error={}, elapsedTime={}ms", llmType, e.getMessage(),
                    System.currentTimeMillis() - startTime, e);

					// time elapsed
					timeElapsed := time.Since(startTime)
					// log error only if more than a second has elapsed
					if timeElapsed > time.Second {
						reqInfo.AppendTags("elapsedTime",
							humanize.RelTime(startTime,
								startTime.Add(timeElapsed),
								"elapsed",
								"",
							))
						ctx := logger.SetReqInfo(GlobalContext,
							reqInfo)

            });
            resultBuf.append("Exported ").append(count).append(" documents.");
            if (logger.isInfoEnabled()) {
                logger.info("[EXPORT] Completed: exportedCount={}, elapsedTime={}ms", count, System.currentTimeMillis() - startTime);
            }
        } catch (final Exception e) {
            logger.warn("Failed to export documents.", e);

   * elapsed time. Therefore, we recommend using {@link #elapsed()} instead, which returns a
   * strongly-typed {@link Duration} instance.
   *
   * @since 14.0 (since 10.0 as {@code elapsedTime()})
   */
  public long elapsed(TimeUnit desiredUnit) {
    return desiredUnit.convert(elapsedNanos(), NANOSECONDS);
  }

  /**

                final long elapsedTime = System.currentTimeMillis() - startTime;
                if (logger.isDebugEnabled()) {
                    logger.debug(
                            "[scheduleParentGroupLookup] Async task completed for user: {}. Final groups: {}, Final roles: {}, Elapsed time: {}ms",
                            user.getName(), finalGroups.length, finalRoles.length, elapsedTime);

   * elapsed time. Therefore, we recommend using {@link #elapsed()} instead, which returns a
   * strongly-typed {@link Duration} instance.
   *
   * @since 14.0 (since 10.0 as {@code elapsedTime()})
   */
  public long elapsed(TimeUnit desiredUnit) {
    return desiredUnit.convert(elapsedNanos(), NANOSECONDS);
  }

  /**

        void testElapsedTimeConsistency() {
            MonotonicClock clock = MonotonicClock.get();
            Instant now = clock.instant();
            Duration elapsed = clock.elapsedTime();
            Duration calculated = Duration.between(clock.startInstant(), now);

            // Allow for small timing differences (1ms) due to execution time between measurements
            assertTrue(