ClusterDomain:    clusterDomain,
		ResolverConfig:   resolverConfig,
	}
}

func omitDuplicates(strs []string) []string {
	uniqueStrs := make(map[string]bool)

	var ret []string
	for _, str := range strs {
		if !uniqueStrs[str] {
			ret = append(ret, str)
			uniqueStrs[str] = true
		}
	}
	return ret
}

func (c *Configurer) formDNSSearchFitsLimits(composedSearch []string, pod *v1.Pod) []string {

  // TODO(apassos) consider narrowing down this interface.
  BackwardFunction* backward_function;

  // Should be called before deleting the backward function. TODO(apassos) use
  // unique_ptrs to ensure this happens.
  std::function<void(BackwardFunction*)> backward_function_deleter;
};

// Map from tensor_id to internally-defined operation-id of the operation which