AppendValueMapper Deprecated type: This will be removed in a future release, please migrate away from it as soon as possible.

CopyValueMapper Deprecated type: This will be removed in a future release, please migrate away from it as soon as possible.

ExecuteMappingReq - Pass either source or source_entity.

ExecuteRelationsReq - Build relations between a source entity and one or more target entities, dynamically identified.

Linkback - For cases where you want to store a relation between main entity (eg.

LoopConfig - contains config in case of running in loop mode.

SetValueMapper Deprecated type: This will be removed in a future release, please migrate away from it as soon as possible.

SourceFilter - A filter to identify which source entities to pick as relations from main entity.

AttributeOrigin - Origin of an attribute.

MappingAttributeMode - - copy_if_exists - it replaces the target attribute with the source value - append_if_exists - it currently replaces target attribute with array like values.