static <A, B> Map<A, B> expiringMap_renewOnget(long standardExpiryTime) {
  ExpiringMap2<A, B> map = ExpiringMap2(standardExpiryTime);
  map.renewOnGet = true;
  ret map;
}

static <A, B> Map<A, B> expiringMap_renewOnget(double standardExpirySeconds) {
  ret expiringMap_renewOnget(toMS(standardExpirySeconds));
}

Began life as a copy of #1019885