*/
    @Nonnull
    List<String> getActiveProfileIds();

    /**
     * List of profile ids that have been explicitly deactivated by the user.
     */
    @Nonnull
    List<String> getInactiveProfileIds();

    /**
     * Provides a map of system properties.
     */
    @Nonnull
    Map<String, String> getSystemProperties();

    /**
     * Provides a map of user properties.

        this();
        setProcessPlugins(request.isProcessPlugins());
        setProfiles(request.getProfiles());
        setActiveProfileIds(request.getActiveProfileIds());
        setInactiveProfileIds(request.getInactiveProfileIds());
        setSystemProperties(request.getSystemProperties());
        setUserProperties(request.getUserProperties());
        setRemoteRepositories(request.getRemoteRepositories());

     */
    void setActiveProfileIds(List<String> activeProfileIds);

    List<String> getActiveProfileIds();

    void setInactiveProfileIds(List<String> inactiveProfileIds);

    List<String> getInactiveProfileIds();

    /**
     * Add a {@link org.apache.maven.model.Profile} that has come from an external source. This may be from a custom

                            : null);
            modelBuildingRequest.activeProfileIds(request.getActiveProfileIds());
            modelBuildingRequest.inactiveProfileIds(request.getInactiveProfileIds());
            modelBuildingRequest.systemProperties(toMap(request.getSystemProperties()));
            modelBuildingRequest.userProperties(toMap(request.getUserProperties()));