request.setModelBuildingListener(modelBuildingListener);

        return this;
    }

    @Override
    public ModelCache getModelCache() {
        return request.getModelCache();
    }

    @Override
    public FilterModelBuildingRequest setModelCache(ModelCache modelCache) {
        request.setModelCache(modelCache);

        return this;
    }

        setBuildStartTime(request.getBuildStartTime());
        setModelResolver(request.getModelResolver());
        setModelBuildingListener(request.getModelBuildingListener());
        setModelCache(request.getModelCache());
    }

    @Override
    public File getPomFile() {
        return pomFile;
    }

    @Override
    public DefaultModelBuildingRequest setPomFile(File pomFile) {

            String groupId = parent.getGroupId();
            String artifactId = parent.getArtifactId();
            String version = parent.getVersion();

            parentData = getCache(request.getModelCache(), groupId, artifactId, version, ModelCacheTag.RAW);

            if (parentData == null) {
                parentData = readParentLocally(childModel, childSource, request, problems);

 * construction of MavenProject instances without the need to have parent POM(s) available from local or remote
 * repositories.
 * <p>
 * ModelSource2 instances are cached in {@link ModelBuildingRequest#getModelCache()}. Implementations must guarantee
 * that the connection to the backing store remains active until request's {@link ModelCache} is discarded or flushed.
 *

    /**
     * Gets the model cache to use for reuse of previously built models.
     *
     * @return The model cache or {@code null} if not set.
     */
    ModelCache getModelCache();

    /**
     * Sets the model cache to use for reuse of previously built models. This is an optional component that serves
     * performance optimizations.
     *