}

    @Override
    public ModelSource getModelSource() {
        return request.getModelSource();
    }

    @Override
    public FilterModelBuildingRequest setModelSource(ModelSource modelSource) {
        request.setModelSource(modelSource);

        return this;
    }

    @Override
    public int getValidationLevel() {
        return request.getValidationLevel();
    }

    @Override

     *
     * @param request The request to copy, must not be {@code null}.
     */
    public DefaultModelBuildingRequest(ModelBuildingRequest request) {
        setPomFile(request.getPomFile());
        setModelSource(request.getModelSource());
        setValidationLevel(request.getValidationLevel());
        setProcessPlugins(request.isProcessPlugins());
        setTwoPhaseBuilding(request.isTwoPhaseBuilding());

    /**
     * Sets the source of the POM to process. Eventually, either {@link #setModelSource(ModelSource)} or
     * {@link #setPomFile(File)} must be set.
     *
     * @param modelSource The source of the POM to process, may be {@code null}.
     * @return This request, never {@code null}.
     */
    ModelBuildingRequest setModelSource(ModelSource modelSource);

    /**
     * Gets the POM file of the project to build.

        ModelBuilder builder = new DefaultModelBuilderFactory().newInstance();
        assertNotNull(builder);

        DefaultModelBuildingRequest request = new DefaultModelBuildingRequest();
        request.setModelSource(new StringModelSource(BASE1));
        request.setModelResolver(new CycleInImportsResolver());

        assertThrows(ModelBuildingException.class, () -> builder.build(request));
    }

                if (resolveResult.getRepository() instanceof WorkspaceRepository) {
                    modelRequest.setPomFile(pomArtifact.getFile());
                } else {
                    modelRequest.setModelSource(new ArtifactModelSource(
                            pomArtifact.getPath(),
                            pomArtifact.getGroupId(),
                            pomArtifact.getArtifactId(),

                        importRequest.setLocationTracking(request.isLocationTracking());
                    }

                    importRequest.setModelSource(importSource);
                    importRequest.setModelResolver(modelResolver.newCopy());

                    final ModelBuildingResult importResult;
                    try {