Add #destroy reference property to set method

lib/jmap/core/method/request/set_method.dart

@@ -2,16 +2,17 @@ import 'package:jmap_dart_client/jmap/account_id.dart';
 import 'package:jmap_dart_client/jmap/core/id.dart';
 import 'package:jmap_dart_client/jmap/core/method/method.dart';
 import 'package:jmap_dart_client/jmap/core/patch_object.dart';
+import 'package:jmap_dart_client/jmap/core/request/result_reference.dart';
 import 'package:jmap_dart_client/jmap/core/state.dart';
 import 'package:json_annotation/json_annotation.dart';
 
 abstract class SetMethod<T> extends MethodRequiringAccountId
-    with OptionalIfInState, OptionalCreate<T>, OptionalDestroy, OptionalUpdate {
+    with OptionalIfInState, OptionalCreate<T>, OptionalDestroy, OptionalUpdate, OptionalReferenceDestroy {
   SetMethod(AccountId accountId) : super(accountId);
 }
 
 abstract class SetMethodNoNeedAccountId<T> extends Method
-    with OptionalCreate<T>, OptionalDestroy, OptionalUpdate {
+    with OptionalCreate<T>, OptionalDestroy, OptionalUpdate, OptionalReferenceDestroy {
   SetMethodNoNeedAccountId() : super();
 }
 
@@ -78,3 +79,12 @@ mixin OptionalUpdateSingleton<T> {
     updateSingleton?.addAll(updates);
   }
 }
+
+mixin OptionalReferenceDestroy {
+  @JsonKey(name: '#destroy', includeIfNull: false)
+  ResultReference? referenceDestroy;
+
+  void addReferenceDestroy(ResultReference resultReferenceDestroy) {
+    referenceDestroy = resultReferenceDestroy;
+  }
+}

lib/jmap/identities/set/set_identity_method.dart

@@ -44,6 +44,7 @@ class SetIdentityMethod extends SetMethod<Identity> {
       ?.map((id, update) => SetMethodPropertiesConverter().fromMapIdToJson(id, update.toJson())));
     writeNotNull('destroy', destroy
       ?.map((destroyId) => const IdConverter().toJson(destroyId)).toList());
+    writeNotNull('#destroy', referenceDestroy?.toJson());
 
     return val;
   }

lib/jmap/mail/email/set/set_email_method.dart

@@ -41,6 +41,7 @@ class SetEmailMethod extends SetMethod<Email> {
     writeNotNull('destroy', destroy
       ?.map((destroyId) => const IdConverter()
         .toJson(destroyId)).toList());
+    writeNotNull('#destroy', referenceDestroy?.toJson());
 
     return val;
   }

lib/jmap/mail/email/submission/set/set_email_submission_method.dart

@@ -53,6 +53,7 @@ class SetEmailSubmissionMethod extends SetMethod<EmailSubmission> with OptionalO
     writeNotNull('onSuccessDestroyEmail', onSuccessDestroyEmail
         ?.map((destroyId) => const ReferencesEmailSubmissionIdConverter()
         .toJson(destroyId)).toList());
+    writeNotNull('#destroy', referenceDestroy?.toJson());
 
     return val;
   }

lib/jmap/mail/mailbox/set/set_mailbox_method.dart

@@ -40,6 +40,7 @@ class SetMailboxMethod extends SetMethod<Mailbox> with OptionalOnDestroyRemoveEm
     writeNotNull('destroy', destroy
       ?.map((destroyId) => const IdConverter().toJson(destroyId)).toList());
     writeNotNull('onDestroyRemoveEmails', onDestroyRemoveEmails);
+    writeNotNull('#destroy', referenceDestroy?.toJson());
 
     return val;
   }

lib/jmap/mail/vacation/set/set_vacation_method.dart

@@ -34,6 +34,7 @@ class SetVacationMethod extends SetMethod<VacationResponse>
     writeNotNull('ifInState', ifInState?.value);
     writeNotNull('update', updateSingleton
         ?.map((id, update) => SetMethodPropertiesConverter().fromMapIdToJson(id, update.toJson())));
+    writeNotNull('#destroy', referenceDestroy?.toJson());
 
     return val;
   }