return reverseValue != propValue.equals(sysValue);
        } else {
            return reverseName != (sysValue != null && !sysValue.isEmpty());
        }
    }

    @Override
    public boolean presentInConfig(Profile profile, ProfileActivationContext context, ModelProblemCollector problems) {
        Activation activation = profile.getActivation();

        if (activation == null) {
            return false;
        }

                throw new RuntimeException("BOOM");
            }

            @Override
            public boolean presentInConfig(
                    Profile profile, ProfileActivationContext context, ModelProblemCollector problems) {
                return true;
            }
        });

        boolean isActive = false;
        for (ProfileActivator activator : activators) {
            if (activator.presentInConfig(profile, context, problems)) {
                isActive = true;
                try {
                    if (!activator.isActive(profile, context, problems)) {
                        return false;

        if (active && os.getVersion() != null) {
            active = determineVersionMatch(os.getVersion(), actualOsVersion);
        }

        return active;
    }

    @Override
    public boolean presentInConfig(Profile profile, ProfileActivationContext context, ModelProblemCollector problems) {
        Activation activation = profile.getActivation();

        if (activation == null) {
            return false;
        }

        return getActivationPackaging(profile).map(p -> isPackaging(context, p)).orElse(false);
    }

    @Override
    public boolean presentInConfig(
            org.apache.maven.model.Profile profile, ProfileActivationContext context, ModelProblemCollector problems) {
        return getActivationPackaging(profile).isPresent();
    }

     *            {@code null}.
     * @return {@code true} if the profile is active, {@code false} otherwise.
     */
    boolean presentInConfig(Profile profile, ProfileActivationContext context, ModelProblemCollector problems);

        if (!f.isAbsolute()) {
            return false;
        }

        boolean fileExists = f.exists();

        return missing != fileExists;
    }

    @Override
    public boolean presentInConfig(Profile profile, ProfileActivationContext context, ModelProblemCollector problems) {
        Activation activation = profile.getActivation();

        if (activation == null) {
            return false;
        }

            return isInRange(currentJavaVersion, getRange(requiredJdkRange));
        } else {
            return currentJavaVersion.startsWith(requiredJdkRange);
        }
    }

    @Override
    public boolean presentInConfig(Profile profile, ProfileActivationContext context, ModelProblemCollector problems) {
        Activation activation = profile.getActivation();

        if (activation == null) {
            return false;
        }