public static ObjectDatabase <TElement> Set <TElement>(
this ObjectDatabase <TElement> db,
bool setEntityMetaData = false,
bool trackEntities = false,
bool isReadOnly = false,
int pageSize = -1) => db
.DoIf(pageSize > 0, x => x.UpdateMemoryManager(y => y.PageSize = pageSize))
.Do(x => x.SetEntityMetaData = setEntityMetaData)
.Do(x => x.TrackEntities = trackEntities)
.Do(x => x.IsReadOnly = isReadOnly);
