SKIP (not found): add _slotCache Map
SKIP (not found): arrival: cache check + store
SKIP (not found): session: cache check + store
SKIP (not found): version 2.2.0 → 2.3.0

NOT WRITTEN — errors:
  NOT FOUND: add _slotCache Map
  NOT FOUND: arrival: cache check + store
  NOT FOUND: session: cache check + store
  NOT FOUND: version 2.2.0 → 2.3.0