Internal usage only - provides the type-unsafe implementation which services the
four typesafe public lookupDbEntity methods Looks in the DataMap's that this object
was created with for the ObjEntity that maps to the specified object.
Internal usage only - provides the type-unsafe implementation which services the
three typesafe public lookupObjEntity methods Looks in the DataMap's that this
object was created with for the ObjEntity that maps to the specified object.