DefaultModelProblemCollector problems)
            throws ModelBuilderException {
        Model inputModel = readRawModel(request, problems);
        if (problems.hasFatalErrors()) {
            throw problems.newModelBuilderException();
        }

        inputModel = activateFileModel(inputModel, request, result, problems);

        problems.setRootModel(inputModel);

            }
        }

        private List<org.apache.maven.model.building.ModelProblem> convert(List<ModelProblem> problems) {
            if (problems == null) {
                return null;
            }
            return problems.stream()
                    .map(p -> (org.apache.maven.model.building.ModelProblem) new DefaultModelProblem(
                            p.getMessage(),

        validateStringNotEmpty("modelVersion", problems, Severity.ERROR, Version.BASE, m.getModelVersion(), m);

        validateCoordinateId("groupId", problems, m.getGroupId(), m);

        validateCoordinateId("artifactId", problems, m.getArtifactId(), m);

        validateStringNotEmpty("packaging", problems, Severity.ERROR, Version.BASE, m.getPackaging(), m);