}
FeatureModel fm = (FeatureModel) featureModelNGObject
.getInterface(de.FeatureModellingTool.FeatureModel.Manager.FEATURE_MODEL_INTERFACE);
ConstraintModel cm = (ConstraintModel) featureModelNGObject
.getInterface(de.FeatureModellingTool.FeatureModel.Manager.CONSTRAINT_MODEL_INTERFACE);
InteractionModel im = (InteractionModel) featureModelNGObject
.getInterface(de.FeatureModellingTool.FeatureModel.Manager.INTERACTION_MODEL_INTERFACE);
// gh start
CustomizationModel customizationModel = (CustomizationModel) featureModelNGObject
.getInterface(de.FeatureModellingTool.FeatureModel.Manager.CUSTOMIZATION_MODEL_INTERFACE);
// gh end