if (!lazyStackTraceIsLazy()) {
      return;
    }

    e.setStackTrace(new StackTraceElement[0]);
    assertThat(lazyStackTrace(e)).containsExactly((Object[]) originalStackTrace).inOrder();
  }

  @J2ktIncompatible
  @GwtIncompatible // lazyStackTrace
  private void doTestLazyStackTraceFallback() {
    assertFalse(lazyStackTraceIsLazy());

    Exception e = new Exception();

    if (!lazyStackTraceIsLazy()) {
      return;
    }

    e.setStackTrace(new StackTraceElement[0]);
    assertThat(lazyStackTrace(e)).containsExactly((Object[]) originalStackTrace).inOrder();
  }

  @J2ktIncompatible
  @GwtIncompatible // lazyStackTrace
  private void doTestLazyStackTraceFallback() {
    assertFalse(lazyStackTraceIsLazy());

    Exception e = new Exception();

   *     possible use the {@code java.lang.StackWalker.walk} method introduced in JDK 9.
   */
  @Deprecated
  @J2ktIncompatible
  @GwtIncompatible // lazyStackTraceIsLazy, jlaStackTrace
  public static List<StackTraceElement> lazyStackTrace(Throwable throwable) {
    return lazyStackTraceIsLazy()
        ? jlaStackTrace(throwable)
        : unmodifiableList(asList(throwable.getStackTrace()));
  }

  /**