FeatureModel.fromJSON: missing UseCaseStepType found and skipped for step id='1'
FeatureModel.fromJSON: missing UseCaseStepType found and skipped for step id='2'
FeatureModel.fromJSON: unknown UseCaseStepType found and skipped: 'NotARealType' for step id='3': No enum constant cruise.umple.compiler.UseCaseStep.UseCaseStepType.NotARealType