}
        result.putAll(getUserProperties());
        return result;
    }

    @Nonnull
    @Override
    public Version getMavenVersion() {
        return parseVersion(runtimeInformation.getMavenVersion());
    }

    @Override
    public int getDegreeOfConcurrency() {
        return getMavenSession().getRequest().getDegreeOfConcurrency();
    }

    @Nonnull

    public ArtifactVersion getApplicationVersion() {
        return applicationVersion;
    }

    public void initialize() throws InitializationException {
        String mavenVersion = rtInfo.getMavenVersion();

        if (mavenVersion == null || mavenVersion.isEmpty()) {
            throw new InitializationException("Unable to read Maven version from maven-core");
        }

            result.putAll(project.getModel().getProperties());
        }
        result.putAll(getUserProperties());
        return result;
    }

    @Override
    public Version getMavenVersion() {
        return null;
    }

    @Override
    public int getDegreeOfConcurrency() {
        return 0;
    }

    @Override
    public Instant getStartTime() {

                        e -> String.valueOf(e.getKey()), e -> String.valueOf(e.getValue()), (k1, k2) -> k2));
    }

    private String getUserAgent() {
        String version = runtimeInformation.getMavenVersion();
        version = version.isEmpty() ? version : "/" + version;
        return "Apache-Maven" + version + " (Java " + System.getProperty("java.version") + "; "

    /**
     * Returns the current maven version.
     *
     * @return the maven version, never {@code null}
     */
    @Nonnull
    Version getMavenVersion();

    /**
     * Returns the degree of concurrency for the build.
     *
     * @return  the degree of concurrency
     */
    int getDegreeOfConcurrency();

    /**