DocOpReceiver docOpReceiver = new DocOpReceiver(
IncomingDocOpDemultiplexer.create(messageFilter), FILE_EDIT_SESSION_KEY,
outOfOrderTimeoutCallback, outOfOrderTimeoutMs);
MockApi<RecoverFromMissedDocOps, RecoverFromMissedDocOpsResponse> api =
(MockApi<RecoverFromMissedDocOps, RecoverFromMissedDocOpsResponse>) new MockFrontendApi().RECOVER_FROM_MISSED_DOC_OPS;
ReceiverListener receiverListener = new ReceiverListener(startVersion);
docOpReceiver.setRevisionProvider(receiverListener);
MockLastClientToServerDocOpProvider lastDocOpProvider =