}

    ModelBuilderException newModelBuilderException();

    void setSource(String location);

    void setSource(Model model);

    String getSource();

    void setRootModel(Model model);

    Model getRootModel();

        }
        return source;
    }

    private String getModelId() {
        return ModelProblemUtils.toId(sourceModel);
    }

    public void setRootModel(Model rootModel) {
        this.rootModel = rootModel;
    }

    public Model getRootModel() {
        return rootModel;
    }

    public String getRootModelId() {