--- /dev/null
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#include "MockJournaler.h"
+
+namespace journal {
+
+MockFuture *MockFuture::s_instance = nullptr;
+MockReplayEntry *MockReplayEntry::s_instance = nullptr;
+MockJournaler *MockJournaler::s_instance = nullptr;
+
+std::ostream &operator<<(std::ostream &os, const MockJournalerProxy &) {
+ return os;
+}
+
+} // namespace journal