dependency.setSuccessor(successor);
MpxDurationConverter durationConverter=new MpxDurationConverter();
dependency.setLag((Duration)durationConverter.from(mpxRelation.getLag()));
MpxDependencyTypeConverter dependencyTypeConverter=new MpxDependencyTypeConverter();
dependency.setType((DependencyType)dependencyTypeConverter.from(mpxRelation.getType()));
}