code: public Migration read() {
          try (StringReader reader = new StringReader(info.getModelDiff())) {
              JAXBContext jaxbContext = JAXBContext.newInstance(Migration.class);
              Unmarshaller unmarshaller = jaxbContext.createUnmarshaller();
              return (Migration) unmarshaller.unmarshal(reader);
          } catch (JAXBException e) {
              throw new RuntimeException(e);
          }
      }
docs: Read and return the migration from the resource.
  
  @return a {@link io.ebeaninternal.dbmigration.migration.Migration} object.