assertThat(new TypeToken<List<? extends Number>>() {}.isSupertypeOf(fieldType)).isTrue();
    assertThat(new TypeToken<List<? extends Iterable<?>>>() {}.isSupertypeOf(fieldType)).isFalse();
  }

  public void testWildcardCaptured_typeVariableDeclaresTypeBound_wildcardHasExplicitUpperBound()
      throws Exception {