uncheckedThrow(((AltRes) v).t);
            }
            return (T) v;
        }

        static class AltRes {
            final Throwable t;

            AltRes(Throwable t) {
                this.t = t;
            }
        }
    }

    @SuppressWarnings("unchecked")
    static <T extends Throwable> void uncheckedThrow(Throwable t) throws T {

        }
        if (result.e != null) {
            uncheckedThrow(result.e);
            return null;
        } else {
            if (result.parent != null && modified != null) {
                modified.set(result.parent);
            }
            return result.source;
        }
    }

    static <T extends Throwable> void uncheckedThrow(Throwable t) throws T {
        throw (T) t; // rely on vacuous cast

                            } catch (InterruptedException e) {
                                uncheckedThrow(e);
                                return null;
                            } catch (ExecutionException e) {
                                uncheckedThrow(e.getCause());
                                return null;
                            }
                        })

        return () -> {
            try {
                return supplier.call();
            } catch (Exception e) {
                uncheckedThrow(e);
                return null;
            }
        };
    }

    static <T extends Throwable> void uncheckedThrow(Throwable t) throws T {
        throw (T) t; // rely on vacuous cast
    }

    private Model fireEvent(
            Model model,

        };

    // Expect no exception to be thrown
    sample.noneDeclared();
  }

  @J2ktIncompatible
  @GwtIncompatible // propagateIfPossible
  public void testPropagateIfPossible_NoneDeclared_UncheckedThrown() {
    Sample sample =
        new Sample() {
          @Override
          public void noneDeclared() {
            try {
              methodThatThrowsUnchecked();
            } catch (Throwable t) {

        };

    // Expect no exception to be thrown
    sample.noneDeclared();
  }

  @J2ktIncompatible
  @GwtIncompatible // propagateIfPossible
  public void testPropagateIfPossible_NoneDeclared_UncheckedThrown() {
    Sample sample =
        new Sample() {
          @Override
          public void noneDeclared() {
            try {
              methodThatThrowsUnchecked();
            } catch (Throwable t) {