code: @Bean
      @ConditionalOnMissingBean
      RolloutGroupManagement rolloutGroupManagement(final RolloutGroupRepository rolloutGroupRepository,
              final RolloutRepository rolloutRepository, final ActionRepository actionRepository,
              final TargetRepository targetRepository, final EntityManager entityManager,
              final VirtualPropertyReplacer virtualPropertyReplacer, final RolloutStatusCache rolloutStatusCache,
              final JpaProperties properties) {
          return new JpaRolloutGroupManagement(rolloutGroupRepository, rolloutRepository, actionRepository,
                  targetRepository, entityManager, virtualPropertyReplacer, rolloutStatusCache, properties.getDatabase());
      }
docs: {@link JpaRolloutGroupManagement} bean.
  
  @return a new {@link RolloutGroupManagement}