RuntimePolicyReference fallbackReference = (RuntimePolicyReference)
policy.getAlternatePolicy(policyType);
if (fallbackReference != null) {
PolicyFetcher fetcher = context.getPolicyFetcher();
policy = (ActivatedVariablePolicy)
fetcher.fetchPolicy(fallbackReference);
if (policy == null) {
selection = POLICY_NOT_FOUND;
} else {
return selectBest(context, policy, requiredEncodings);
}