}
  }

  private static class WildcardSubtypingTests extends SubtypeTester {
    @TestSubtype(suppressGetSupertype = true, suppressGetSubtype = true)
    public Iterable<?> noBounds(List<?> list) {
      return isSubtype(list);
    }

    @TestSubtype(suppressGetSupertype = true, suppressGetSubtype = true)
    public Iterable<List<?>> listOfListOfWildcard(List<List<?>> listOfList) {

    TypeVariable<?> noBound = withBounds(noBoundJvmType);
    TypeVariable<?> objectBound = withBounds(objectBoundJvmType, Object.class);
    TypeVariable<?> upperBound = withBounds(upperBoundJvmType, Number.class, CharSequence.class);

    assertEqualTypeVariable(noBoundJvmType, noBound);
    assertEqualTypeVariable(noBoundJvmType, withBounds(noBoundJvmType, Object.class));

    TypeVariable<?> noBound = withBounds(noBoundJvmType);
    TypeVariable<?> objectBound = withBounds(objectBoundJvmType, Object.class);
    TypeVariable<?> upperBound = withBounds(upperBoundJvmType, Number.class, CharSequence.class);

    assertEqualTypeVariable(noBoundJvmType, noBound);
    assertEqualTypeVariable(noBoundJvmType, withBounds(noBoundJvmType, Object.class));

sameWidthParity = referenceWidth % 2 === popperWidth % 2;\n  const bothOddWidth = referenceWidth % 2 === 1 && popperWidth % 2 === 1;\n\n  const horizontalToInteger = !shouldRound\n    ? noRound\n    : isVertical || isVariation || sameWidthParity\n    ? round\n    : floor;\n  const verticalToInteger = !shouldRound ? noRound : round;\n\n  return {\n    left: horizontalToInteger(\n      bothOddWidth && !isVariation && shouldRound\n        ? popper.left - 1\n        : popper.left\n    ),\n    top: vertic...