* @see #getRootDirectory()
     */
    @Nonnull
    Path getTopDirectory();

    /**
     * Gets the root directory of the session, which is the root directory for the top directory project.
     *
     * @return the root directory, never {@code null}
     * @throws IllegalStateException if the root directory could not be found
     * @see #getTopDirectory()
     * @see Project#getRootDirectory()
     * @see Project#isRootProject()

    }

    @Override
    public Path getRootDirectory() {
        return getMavenSession().getRequest().getRootDirectory();
    }

    @Override
    public Path getTopDirectory() {
        return getMavenSession().getRequest().getTopDirectory();
    }

    @Nonnull
    @Override
    public List<Project> getProjects() {
        return getProjects(getMavenSession().getProjects());
    }

    @Nonnull

        this.userProperties.putAll(properties);
    }

    public Path getRootDirectory() {
        return rootDirectory;
    }

    public Path getTopDirectory() {
        return topDirectory;
    }

        }
        return Collections.emptyList();
    }

    @Override
    public boolean isTopProject() {
        return getBasedir().equals(getSession().getTopDirectory());
    }

    @Override
    public boolean isRootProject() {
        return getBasedir().equals(getRootDirectory());
    }

    @Override
    public Path getRootDirectory() {

                throw new MissingProjectException("The goal you specified requires a project to execute"
                        + " but there is no POM in this directory (" + session.getTopDirectory() + ")."
                        + " Please verify you invoked Maven from the correct directory.");
            }

            List<TaskSegment> taskSegments = calculateTaskSegments(session);