public virtual OnPrimaryKeyChangedNode VisitOnPrimaryKeyChanged(OnPrimaryKeyChangedNode node) => node;
 public override OnPrimaryKeyChangedNode VisitOnPrimaryKeyChanged(OnPrimaryKeyChangedNode node)
 {
     Dispatcher._immediateConventionScope.OnPrimaryKeyChanged(node.EntityTypeBuilder, node.PreviousPrimaryKey);
     return(null);
 }