String keyPrefix = KEY_PREFIX;
    int valuePrefix = VALUE_PREFIX;

    public WatchedCreatorLoader() {}

    public void reset() {
      wasCalled = false;
    }

    public boolean wasCalled() {
      return wasCalled;
    }

    public void setKeyPrefix(String keyPrefix) {
      this.keyPrefix = keyPrefix;
    }

  }

  @GwtIncompatible // Floats.tryParse
  public void testTryParseHex() {
    for (String signChar : ImmutableList.of("", "+", "-")) {
      for (String hexPrefix : ImmutableList.of("0x", "0X")) {
        for (String iPart : ImmutableList.of("", "0", "1", "F", "f", "c4", "CE")) {
          for (String fPart : ImmutableList.of("", ".", ".F", ".52", ".a")) {

    String keyPrefix = KEY_PREFIX;
    int valuePrefix = VALUE_PREFIX;

    public WatchedCreatorLoader() {}

    public void reset() {
      wasCalled = false;
    }

    public boolean wasCalled() {
      return wasCalled;
    }

    public void setKeyPrefix(String keyPrefix) {
      this.keyPrefix = keyPrefix;
    }

  }

  @GwtIncompatible // Doubles.tryParse
  public void testTryParseHex() {
    for (String signChar : ImmutableList.of("", "+", "-")) {
      for (String hexPrefix : ImmutableList.of("0x", "0X")) {
        for (String iPart : ImmutableList.of("", "0", "1", "F", "f", "c4", "CE")) {
          for (String fPart : ImmutableList.of("", ".", ".F", ".52", ".a")) {

  }

  @GwtIncompatible // Doubles.tryParse
  public void testTryParseHex() {
    for (String signChar : ImmutableList.of("", "+", "-")) {
      for (String hexPrefix : ImmutableList.of("0x", "0X")) {
        for (String iPart : ImmutableList.of("", "0", "1", "F", "f", "c4", "CE")) {
          for (String fPart : ImmutableList.of("", ".", ".F", ".52", ".a")) {

  }

  @GwtIncompatible // Floats.tryParse
  public void testTryParseHex() {
    for (String signChar : ImmutableList.of("", "+", "-")) {
      for (String hexPrefix : ImmutableList.of("0x", "0X")) {
        for (String iPart : ImmutableList.of("", "0", "1", "F", "f", "c4", "CE")) {
          for (String fPart : ImmutableList.of("", ".", ".F", ".52", ".a")) {