internal void Reset()
{
storage?.Clear(); // storge can be null if first owner entity be deleted, and then after delete detach that (owner) entity
storage = null;
entityRelationManager = null;
}
internal void Initialize(TForeignEntity Owner, IOneToManyEntityRelationManager <TForeignEntity, TRelatedEntity> EntityRelationManager)
{
owner = Owner;
entityRelationManager = EntityRelationManager;
storage = new List <TRelatedEntity>();
}
