}
    }

    @Override
    public Map<String, String> getProperties() {
        return Collections.emptyMap();
    }

    @Override
    public org.eclipse.aether.metadata.Metadata setProperties(Map<String, String> properties) {
        return this;
    }

        Activation defaultActivation = new Activation();

        defaultActivation.setActiveByDefault(true);

        defaultActivated.setActivation(defaultActivation);

        Properties props = System.getProperties();

        ProfileManager profileManager = new DefaultProfileManager(getContainer(), props);

        profileManager.addProfile(notActivated);
        profileManager.addProfile(defaultActivated);

        HashMap<String, String> result = new HashMap<>(getSystemProperties());
        if (project != null) {
            result.putAll(project.getModel().getProperties());
        }
        result.putAll(getUserProperties());
        return result;
    }

    @Nonnull
    @Override
    public Version getMavenVersion() {