code: public java.util.List<LifecycleHookSpecification> getLifecycleHookSpecificationList() {
          if (lifecycleHookSpecificationList == null) {
              lifecycleHookSpecificationList = new com.amazonaws.internal.SdkInternalList<LifecycleHookSpecification>();
          }
          return lifecycleHookSpecificationList;
      }
docs: <p>
  One or more lifecycle hooks.
  </p>
  
  @return One or more lifecycle hooks.