*/
    public static void processThreadDump(final Consumer<String> writer) {
        for (final Map.Entry<Thread, StackTraceElement[]> entry : Thread.getAllStackTraces().entrySet()) {
            writer.accept("Thread: " + entry.getKey());
            final StackTraceElement[] trace = entry.getValue();
            for (final StackTraceElement element : trace) {
                writer.accept("\tat " + element);
            }
        }
    }

  @Param Mode mode;

  enum Mode {
    LAZY_STACK_TRACE {
      @Override
      List<StackTraceElement> getStackTrace(Throwable t) {
        return lazyStackTrace(t);
      }
    },
    GET_STACK_TRACE {
      @Override
      List<StackTraceElement> getStackTrace(Throwable t) {
        return asList(t.getStackTrace());
      }
    };

    boolean timeIt(int reps, int breakAt) {

  @Param Mode mode;

  enum Mode {
    LAZY_STACK_TRACE {
      @Override
      List<StackTraceElement> getStackTrace(Throwable t) {
        return lazyStackTrace(t);
      }
    },
    GET_STACK_TRACE {
      @Override
      List<StackTraceElement> getStackTrace(Throwable t) {
        return asList(t.getStackTrace());
      }
    };

    boolean timeIt(int reps, int breakAt) {

        // Verify stack trace is available
        StackTraceElement[] stackTrace = runtimeException.getStackTrace();
        assertNotNull(stackTrace);
        assertTrue(stackTrace.length > 0);

        // Verify the cause's stack trace is also available
        StackTraceElement[] causeStackTrace = runtimeException.getCause().getStackTrace();
        assertNotNull(causeStackTrace);

        // Verify stack trace exists
        StackTraceElement[] stackTrace = exception.getStackTrace();
        assertNotNull(stackTrace);
        assertTrue(stackTrace.length > 0);

        // Verify cause's stack trace is also available
        StackTraceElement[] causeStackTrace = exception.getCause().getStackTrace();
        assertNotNull(causeStackTrace);

        StackTraceElement[] stackTrace = exception.getStackTrace();

        assertNotNull(stackTrace);
        assertTrue(stackTrace.length > 0);
        // Verify that current test method appears in stack trace
        boolean foundTestMethod = false;
        for (StackTraceElement element : stackTrace) {

        CommandExecutionException exception = new CommandExecutionException("Stack trace test");

        StackTraceElement[] stackTrace = exception.getStackTrace();
        assertNotNull(stackTrace);
        assertTrue(stackTrace.length > 0);

        // First element should be from this test method
        StackTraceElement firstElement = stackTrace[0];
        assertEquals(this.getClass().getName(), firstElement.getClassName());

        FessUserNotFoundException exception = new FessUserNotFoundException("testuser");

        StackTraceElement[] stackTrace = exception.getStackTrace();
        assertNotNull(stackTrace);
        assertTrue(stackTrace.length > 0);

        // The first element should be from this test class
        StackTraceElement firstElement = stackTrace[0];
        assertEquals(this.getClass().getName(), firstElement.getClassName());
    }

    }

    @Test
    public void test_stackTrace() {
        // Test that stack trace is properly maintained
        DictionaryExpiredException exception = new DictionaryExpiredException();
        StackTraceElement[] stackTrace = exception.getStackTrace();

        assertNotNull(stackTrace);
        assertTrue(stackTrace.length > 0);

        // First element should be from this test method

        UnsupportedSearchException exception = new UnsupportedSearchException("Stack trace test");

        StackTraceElement[] originalStackTrace = exception.getStackTrace();
        assertNotNull(originalStackTrace);

        Throwable filled = exception.fillInStackTrace();
        assertSame(exception, filled);

        StackTraceElement[] newStackTrace = exception.getStackTrace();
        assertNotNull(newStackTrace);
    }