Activation defaultActivation = new Activation();

        defaultActivation.setActiveByDefault(true);

        defaultActivated.setActivation(defaultActivation);

        Properties props = System.getProperties();

        ProfileManager profileManager = new DefaultProfileManager(getContainer(), props);

        profileManager.addProfile(notActivated);
        profileManager.addProfile(defaultActivated);

                profileProps.putAll(profile.getProperties());
            }
            profileProps.putAll(profileActivationContext.getUserProperties());
            profileActivationContext.setUserProperties(profileProps);
        }

        profileActivationContext.setProjectProperties(inputModel.getProperties());
        problems.setSource(inputModel);
        List<Profile> activePomProfiles =

            HashMap<String, String> result = new HashMap<>(getSystemProperties());
            if (project != null) {
                result.putAll(project.getModel().getProperties());
            }
            result.putAll(getUserProperties());
            return result;
        }

        @Override
        public Version getMavenVersion() {
            return null;

        HashMap<String, String> result = new HashMap<>(getSystemProperties());
        if (project != null) {
            result.putAll(project.getModel().getProperties());
        }
        result.putAll(getUserProperties());
        return result;
    }

    @Nonnull
    @Override
    public Version getMavenVersion() {

        }
    }

    @Override
    public Map<String, String> getProperties() {
        return Collections.emptyMap();
    }

    @Override
    public org.eclipse.aether.metadata.Metadata setProperties(Map<String, String> properties) {
        return this;
    }

    Map<String, String> getUserProperties();

    /**
     * Returns immutable system properties to use for interpolation. The system properties are collected from the
     * runtime environment such as {@link System#getProperties()} and environment variables
     * (prefixed with {@code env.}).
     *
     * @return the system properties, never {@code null}
     */
    @Nonnull
    Map<String, String> getSystemProperties();

    /**

        return request.getProfiles().stream()
                .filter(profile -> activeProfileId.contains(profile.getId()))
                .map(ModelBase::getProperties)
                .flatMap(properties -> properties.entrySet().stream())
                .filter(e -> e.getValue() != null)
                .collect(Collectors.toMap(