private List<Mirror> mirrors;

    private List<Profile> profiles;

    private final ProjectActivation projectActivation = new ProjectActivation();
    private final ProfileActivation profileActivation = new ProfileActivation();

    private List<String> pluginGroups;

    private boolean isProjectPresent = true;

    // ----------------------------------------------------------------------------

     * @param profileActivation the requested optional and required profiles.
     */
    private void validateRequiredProfiles(MavenSession session, ProfileActivation profileActivation) {
        final Set<String> allAvailableProfiles = getAllProfiles(session);

        final Set<String> requiredProfiles = new HashSet<>();
        requiredProfiles.addAll(profileActivation.getRequiredActiveProfileIds());

        options.addOption(Option.builder(Character.toString(CLIManager.ACTIVATE_PROFILES))
                .hasArg()
                .build());

        ProfileActivation activation;

        activation = new ProfileActivation();
        performProfileActivation(parser.parse(options, new String[] {"-P", "test1,+test2,?test3,+?test4"}), activation);

                }
            }
        }
    }

    protected void performProfileActivation(MavenContext context, ProfileActivation profileActivation) {
        if (context.options().activatedProfiles().isPresent()
                && !context.options().activatedProfiles().get().isEmpty()) {

    /**
     * Return the requested activation(s) of profile(s) in this execution.
     * @return requested (de-)activation(s) of profile(s) in this execution. Never {@code null}.
     */
    ProfileActivation getProfileActivation();

    // Proxies
    List<Proxy> getProxies();

    MavenExecutionRequest setProxies(List<Proxy> proxies);

    MavenExecutionRequest addProxy(Proxy proxy);

    // Servers