return root.toFile().getAbsolutePath();
                }
                return null;
            }
        });

        interpolator.addValueSource(new MapBasedValueSource(context.getProjectProperties()));

        interpolator.addValueSource(new MapBasedValueSource(context.getUserProperties()));

        interpolator.addValueSource(new MapBasedValueSource(context.getSystemProperties()));

     */
    File getProjectDirectory();

    /**
     * Gets current calculated project properties
     *
     * @return The project properties, never {@code null}.
     */
    Map<String, String> getProjectProperties();

        this.projectDirectory = projectDirectory;

        return this;
    }

    @Override
    public Map<String, String> getProjectProperties() {
        return projectProperties;
    }

    public DefaultProfileActivationContext setProjectProperties(Properties projectProperties) {
        return setProjectProperties(toMap(projectProperties));