! DoctrineBatchReader: Removed countTotal, added limit. Removed property $query, added setQuery(), getQuery().
! DoctrineSet, DoctrineSetListResult: Migrated to DoctrineBatchReader.
! SetListResult: Removed property count.
DoctrineBatchReader: Modified property clearEntitiesOnBatch. "true" will clear all entities.
DoctrineSetListResult: Added constructor signature. Changed reader configuration to clear all entities.