public class ReportConfigurationLayoutSet : DomainEvent
 {
 [JsonConstructor]
 private ReportConfigurationLayoutSet()
 {
 }
public ReportConfigurationLayoutSet(
 ReportDocumentConfigurationValueObject newLayout,
 ReportDocumentConfigurationValueObject oldLayout
 )
 {
 NewLayout = newLayout ?? throw new ArgumentNullException(nameof(newLayout));
 OldLayout = oldLayout;
 }
public ReportDocumentConfigurationValueObject NewLayout { get; private set; }
public ReportDocumentConfigurationValueObject OldLayout { get; private set; }
 }
 
public class ReportDocumentConfigurationValueObject
 {
 /// <summary>
 /// we assume that we have a list of types of nodes, where a node can be a template to be aggregated to
 /// the docx or a repeated section of template.
 /// for the offer document the repeated sections can be machines, modules inside machines, etc...
 /// </summary>
 public List<ReportConfigurationNodeValueObject> Nodes { get; private set; }
public ReportConfigurationTypeId ReportTypeId { get; private set; }
[JsonConstructor]
 private ReportDocumentConfigurationValueObject()
 {
 }
public ReportDocumentConfigurationValueObject(
 List<ReportConfigurationNodeValueObject> nodes,
 ReportConfigurationTypeId reportTypeId)
 {
 Nodes = nodes ?? throw new ArgumentNullException(nameof(nodes));
 ReportTypeId = reportTypeId ?? throw new ArgumentNullException(nameof(reportTypeId));
 }