ModelBuilderSession newSession();

    interface ModelBuilderSession {

        ModelBuilderResult build(ModelBuilderRequest request) throws ModelBuilderException;
    }

    Model buildRawModel(ModelBuilderRequest request) throws ModelBuilderException;

    /**
     * Performs only the part of {@link ModelBuilder#build(ModelBuildingRequest)} that loads the raw model
     */
    Result<? extends Model> buildRawModel(File pomFile, int validationLevel, boolean locationTracking);

        if (hasModelErrors(problems)) {
            throw problems.newModelBuildingException();
        }

        return result;
    }

    @Override
    public Result<? extends Model> buildRawModel(File pomFile, int validationLevel, boolean locationTracking) {
        final ModelBuildingRequest request = new DefaultModelBuildingRequest()
                .setValidationLevel(validationLevel)