setPluginArtifactRepositories(request.getPluginArtifactRepositories());
        setRepositorySession(request.getRepositorySession());
        setLocalRepository(request.getLocalRepository());
        setBuildStartTime(request.getBuildStartTime());
        setProject(request.getProject());
        setResolveDependencies(request.isResolveDependencies());
        setValidationLevel(request.getValidationLevel());

    }

    @Override
    public Date getBuildStartTime() {
        return request.getBuildStartTime();
    }

    @Override
    public ModelBuildingRequest setBuildStartTime(Date buildStartTime) {
        request.setBuildStartTime(buildStartTime);

        return this;
    }

    @Override
    public ModelResolver getModelResolver() {
        return request.getModelResolver();
    }

    ProjectBuilderConfiguration setExecutionProperties(Properties executionProperties);

    Date getBuildStartTime();

    ProjectBuilderConfiguration setBuildStartTime(Date buildStartTime);

        this.executionProperties = executionProperties;
        return this;
    }

    public Date getBuildStartTime() {
        return buildStartTime;
    }

    public ProjectBuilderConfiguration setBuildStartTime(Date buildStartTime) {
        this.buildStartTime = buildStartTime;
        return this;
    }

     */
    Date getBuildStartTime();

    /**
     * Sets the start time of the build.
     *
     * @param buildStartTime The start time of the build, may be {@code null}.
     */
    void setBuildStartTime(Date buildStartTime);

    RepositorySystemSession getRepositorySession();

    ProjectBuildingRequest setRepositorySession(RepositorySystemSession repositorySession);

    /**