*/
enum ActivationSettings {
    ACTIVATION_OPTIONAL(true, true),
    ACTIVATION_REQUIRED(true, false),
    DEACTIVATION_OPTIONAL(false, true),
    DEACTIVATION_REQUIRED(false, false);

    /**
     * Should the target be active?
     */
    final boolean active;
    /**
     * Should the build continue if the target is not present?
     */
    final boolean optional;

     * Mark a profile as required and deactivated.
     * @param id The identifier of the profile.
     */
    public void deactivateRequiredProfile(String id) {
        this.activations.put(id, ActivationSettings.DEACTIVATION_REQUIRED);
    }

    /**
     * Mark a profile as optional and deactivated.
     * @param id The identifier of the profile.
     */
    public void deactivateOptionalProfile(String id) {

     * @param selector The selector of the project.
     */
    public void deactivateRequiredProject(String selector) {
        this.activations.add(new ProjectActivationSettings(selector, ActivationSettings.DEACTIVATION_REQUIRED));
    }

    /**
     * Mark a project as optional and deactivated.
     * @param selector The selector of the project.
     */
    public void deactivateOptionalProject(String selector) {