code: public java.util.List<CacheSecurityGroup> getCacheSecurityGroups() {
          if (cacheSecurityGroups == null) {
              cacheSecurityGroups = new com.amazonaws.internal.SdkInternalList<CacheSecurityGroup>();
          }
          return cacheSecurityGroups;
      }
docs: <p>
  A list of cache security groups. Each element in the list contains detailed information about one group.
  </p>
  
  @return A list of cache security groups. Each element in the list contains detailed information about one group.