* @param error the error that caused this log
     */
    void debug(CharSequence content, Throwable error);

    /**
     * Sends an exception to the user in the <b>debug</b> error level.
     * The stack trace for this exception will be output when this error level is enabled.
     *
     * @param error the error that caused this log
     */
    void debug(Throwable error);

    void debug(Supplier<String> content);

				Message: msg,
				Time:    time.Now().UTC(),
				Trace:   &log.Trace{Message: msg},
			})
		}
		if err := w.rotate(); err != nil {
			msg := fmt.Sprintf("unable to rotate log file %v: %v", w.f.Name(), err)
			stdErrEnc.Encode(&log.Entry{
				Level:   ErrorKind,
				Message: msg,
				Time:    time.Now().UTC(),
				Trace:   &log.Trace{Message: msg},
			})
		}
	}
}

    void testRequestTraceIntegration() {
        Session session = mock(Session.class);
        RequestTrace trace = new RequestTrace("test-context", null, "test-data");

        ArtifactInstallerRequest request =
                ArtifactInstallerRequest.builder().session(session).trace(trace).build();

        assertEquals(trace, request.getTrace());
        assertEquals(session, request.getSession());
    }

    @Test

            this.session = session;
            return this;
        }

        @Nonnull
        public DependencyResolverRequestBuilder trace(RequestTrace trace) {
            this.trace = trace;
            return this;
        }

        @Nonnull
        public DependencyResolverRequestBuilder requestType(@Nonnull RequestType requestType) {

        if (log.isTraceEnabled()) {
            log.trace(req.toString());
            log.trace(Hexdump.toHexString(this.sbuf, 4, n));
        }

        this.out.write(this.sbuf, 0, 4 + n);
        this.out.flush();
        log.trace("Wrote negotiate request");
        return n;
    }

    /**
     * @throws SocketException

        return actionClass;
    }

    /**
     * Overrides fillInStackTrace to return null for performance optimization.
     * This prevents stack trace generation for this exception type.
     *
     * @return null to skip stack trace generation
     */
    @Override
    public synchronized Throwable fillInStackTrace() {
        return null;
    }

	return s
}

// Return a function which update the global stats related to tcp connections
func setupReqStatsUpdate(req *http.Request) (*http.Request, func()) {
	var dialStart, dialEnd int64
	start := time.Now()
	trace := &httptrace.ClientTrace{
		GotFirstResponseByte: func() {
			atomic.AddUint64(&globalStats.tcpTimeForFirstByteTotalDur, uint64(time.Since(start)))
		},
		ConnectStart: func(network, addr string) {

        requests.add(new MetadataRequest(metadata, null, REPOSITORY_CONTEXT).setTrace(trace));

        for (RemoteRepository repository : request.getRepositories()) {
            requests.add(new MetadataRequest(metadata, repository, REPOSITORY_CONTEXT).setTrace(trace));
        }

        List<MetadataResult> results = repositorySystem.resolveMetadata(request.getRepositorySession(), requests);

        assertSame(root, ex.getRootCause());
    }

    /**
     * Verify that {@link #toString()} includes a stack trace when a root cause
     * is present.
     */
    @Test
    @DisplayName("toString with root cause contains stack trace")
    void testToStringWithRootCause() {
        RuntimeException cause = new RuntimeException("boom");
        SmbException ex = new SmbException(0, cause);

     * suppression enabled or disabled, and writable stack trace enabled or disabled.
     *
     * @param message the detail message.
     * @param enableSuppression whether or not suppression is enabled or disabled.
     * @param writableStackTrace whether or not the stack trace should be writable.
     */