Try patch request (requires hack in generated code, otherwise only works the first time)

Author: bkoelman

src/Examples/OpenApiLiblabClientExample/output/csharp/Example/Program.cs

@@ -24,4 +24,9 @@
     Attributes = new PersonAttributesInPostRequest("Doe", "John")
 }));
 
+var patchResponse = await client.People.PatchPersonAsync(new PersonPatchRequestDocument(new PersonDataInPatchRequest(PersonResourceType.People, "1")
+{
+    Attributes = new PersonAttributesInPatchRequest("Mister2", "Smith")
+}), "1");
+
 Console.WriteLine(response);

src/Examples/OpenApiLiblabClientExample/output/csharp/JsonApiDotNetCoreClientExample/Services/PeopleService.cs

@@ -1,5 +1,6 @@
 // This file was generated by liblab | https://liblab.com/
 
+using System.Net;
 using System.Net.Http.Json;
 using JsonApiDotNetCoreClientExample.Http;
 using JsonApiDotNetCoreClientExample.Http.Serialization;
@@ -124,7 +125,7 @@ public async Task<PersonPrimaryResponseDocument> GetPersonAsync(
     /// <param name="input">The attributes and relationships of the person to update. Omitted fields are left unchanged.</param>
     /// <param name="id">The identifier of the person to update.</param>
     /// <param name="query">For syntax, see the documentation for the [`include`](https://www.jsonapi.net/usage/reading/including-relationships.html)/[`filter`](https://www.jsonapi.net/usage/reading/filtering.html)/[`sort`](https://www.jsonapi.net/usage/reading/sorting.html)/[`page`](https://www.jsonapi.net/usage/reading/pagination.html)/[`fields`](https://www.jsonapi.net/usage/reading/sparse-fieldset-selection.html) query string parameters.</param>
-    public async Task<PersonPrimaryResponseDocument> PatchPersonAsync(
+    public async Task<PersonPrimaryResponseDocument?> PatchPersonAsync(
         PersonPatchRequestDocument input,
         string id,
         object? query = null,
@@ -146,6 +147,12 @@ public async Task<PersonPrimaryResponseDocument> PatchPersonAsync(
             .ConfigureAwait(false);
         response.EnsureSuccessStatusCode();
 
+        // HACK: Prevent crash during deserialization, caused by empty response body.
+        if (response.StatusCode == HttpStatusCode.NoContent)
+        {
+            return null;
+        }
+
         return await response
                 .Content.ReadFromJsonAsync<PersonPrimaryResponseDocument>(
                     _jsonSerializerOptions,