Function when

fdbserver/ClusterRecovery.actor.cpp:863–875

	// transaction which might repair our configuration, and return it.
	loop choose {
		when(GetReadVersionRequest req =
		         waitNext(parent->provisionalGrvProxies[0].getConsistentReadVersion.getFuture())) {
			if ((req.flags & GetReadVersionRequest::FLAG_CAUSAL_READ_RISKY) &&
			    (req.flags & GetReadVersionRequest::FLAG_USE_PROVISIONAL_PROXIES) && parent->lastEpochEnd) {
				GetReadVersionReply rep;
				rep.version = parent->lastEpochEnd;
				rep.locked = locked;
				rep.metadataVersion = metadataVersion;
				rep.proxyId = parent->provisionalGrvProxies[0].id();
				req.reply.send(rep);
			} else
				req.reply.send(Never()); // We can't perform causally consistent reads without recovering
		}
		when(CommitTransactionRequest req = waitNext(parent->provisionalCommitProxies[0].commit.getFuture())) {
			req.reply.send(Never()); // don't reply (clients always get commit_unknown_result)
			auto t = &req.transaction;