public class InputReferences {
    private final List<InputReference> ownReferences = new ArrayList<>();
    private final List<InputReference> nestedReferences = new ArrayList<>();

    public List<InputReference> getOwnReferences() {
        return ownReferences;
    }

    public void ownReference(String path, int lineNumber) {
        ownReferences.add(new InputReference(path, lineNumber));
    }

    public boolean isEmpty() {

                InputReferences inputs = transformedClosure.inputReferences();
                List<InputReference> inputReferences = supportsNestedRules ? inputs.getOwnReferences() : inputs.getAllReferences();
                final Map<String, PotentialInput> inputValues = new LinkedHashMap<>();
                List<ModelReference<?>> inputModelReferences = new ArrayList<>();

            statements.add(new ExpressionStatement(new DeclarationExpression(inputsVar, ASSIGN, new ConstructorCallExpression(INPUT_REFERENCES, new ArgumentListExpression()))));
            for (InputReference inputReference : inputs.getOwnReferences()) {
                statements.add(new ExpressionStatement(new MethodCallExpression(inputsVar,
                        "ownReference",
                        new ArgumentListExpression(