}

    @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);

        setInactiveProfileIds(request.getInactiveProfileIds());
        setSystemProperties(request.getSystemProperties());
        setUserProperties(request.getUserProperties());
        setBuildStartTime(request.getBuildStartTime());
        setModelResolver(request.getModelResolver());
        setModelBuildingListener(request.getModelBuildingListener());
        setModelCache(request.getModelCache());
    }

        return this;
    }

    @Override
    public Date getBuildStartTime() {
        return buildStartTime;
    }

    @Override
    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}.
     */
    @Deprecated
    void setBuildStartTime(Date buildStartTime);

    /**
     * Gets the start time of the build.
     *
     * @return The start time of the build or {@code null} if unknown.
     */
    Instant getBuildStartInstant();