code: public StructuredDataId makeId(final StructuredDataId id) {
          if (id == null) {
              return this;
          }
          return makeId(id.getName(), id.getEnterpriseNumber());
      }
docs: Creates an id using another id to supply default values.
  
  @param id The original StructuredDataId.
  @return the new StructuredDataId.