/** * Dequeue all signer info requests for a given signer id. * * @param signerId to dequeue requests for * @param error if there was an error, null for success */ private synchronized void dequeueSignerInfoRequest(ByteString signerId, FederationError error) { List<String> domains = ImmutableList.copyOf(signerInfoRequests.get(signerId).keySet()); for (String domain : domains) { dequeueSignerInfoRequestForDomain(signerId, error, domain); } }