return this;
    }

    @Override
    public Model getRawModel() {
        return request.getRawModel();
    }

    @Override
    public ModelBuildingRequest setRawModel(Model rawModel) {
        request.setRawModel(rawModel);
        return this;
    }

    @Override
    public WorkspaceModelResolver getWorkspaceModelResolver() {
        return request.getWorkspaceModelResolver();
    }

        return rawModels.get(modelIds.get(0));
    }

    @Override
    public Model getRawModel(String modelId) {
        return rawModels.get(modelId);
    }

    public DefaultModelBuildingResult setRawModel(String modelId, Model rawModel) {
        // Intentionally notNull because Super POM may not contain a modelId
        Objects.requireNonNull(modelId, "modelId cannot null");

        rawModels.put(modelId, rawModel);

            DefaultModelBuildingResult tmp = new DefaultModelBuildingResult();
            if (modelId == null) {
                modelId = "";
            }
            tmp.addModelId(modelId);
            tmp.setRawModel(modelId, model);
            tmp.setProblems(problems);
            result = tmp;
        } else {
            result = null;
        }
    }

    /**

        return rawModel;
    }

    /**
     * Sets the raw model being wrapped.
     *
     * @param rawModel The raw model, may be {@code null}.
     */
    public void setRawModel(Model rawModel) {
        this.rawModel = rawModel;
    }

    /**
     * Gets the active profiles from the model.
     *
     * @return The active profiles or {@code null} if not set.
     */

            tmp.setProblems(getProblems());
            tmp.setActiveExternalProfiles(result.getActiveExternalProfiles());
            String id = getRootModelId();
            tmp.addModelId(id);
            tmp.setRawModel(id, getRootModel());
            result = tmp;
        }
        return new ModelBuildingException(result);
    }

        return this;
    }

    @Override
    public Model getRawModel() {
        return rawModel;
    }

    @Override
    public ModelBuildingRequest setRawModel(Model rawModel) {
        this.rawModel = rawModel;
        return this;
    }

    @Override
    public WorkspaceModelResolver getWorkspaceModelResolver() {
        return workspaceResolver;
    }

        for (ModelData currentData = resultData; currentData != null; ) {
            lineage.add(currentData);

            Model rawModel = currentData.getModel();
            currentData.setRawModel(rawModel);

            Model tmpModel = rawModel.clone();
            currentData.setModel(tmpModel);

            problems.setSource(tmpModel);

            // model normalization

     *
     * @return The raw model to build or {@code null} if not set.
     */
    Model getRawModel();

    /**
     * Set raw model.
     *
     * @param rawModel
     */
    ModelBuildingRequest setRawModel(Model rawModel);

    /**
     * Gets the source of the POM to process.
     *
     * @return The source of the POM or {@code null} if not set.
     */
    ModelSource getModelSource();

    /**