DefaultTransformerContextBuilder(DefaultModelBuilder defaultModelBuilder) {
        this.defaultModelBuilder = defaultModelBuilder;
        this.context = new DefaultTransformerContext(defaultModelBuilder.getModelProcessor());
    }

    /**
     * If an interface could be extracted, DefaultModelProblemCollector should be ModelProblemCollectorExt
     */
    @Override

            // only reason it's not in signature is because it's package private
            throw new IllegalStateException();
        }
    }

    ModelProcessor getModelProcessor() {
        return modelProcessor;
    }