Nomad changes

docs/snippets/csharp/advanced/custom_extractor.cs

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+using Kreuzberg;
+using System.Text.Json;
+
+// NOTE: IDocumentExtractor interface is not available in C# bindings
+
+class CustomJsonProcessor
+{
+    public static ExtractionResult ProcessJson(byte[] content, string mimeType)
+    {
+        try
+        {
+            var jsonContent = System.Text.Encoding.UTF8.GetString(content);
+            var document = JsonDocument.Parse(jsonContent);
+
+            var text = ExtractText(document.RootElement);
+
+            return new ExtractionResult
+            {
+                Content = text,
+                MimeType = mimeType,
+                Metadata = new Metadata(),
+                Tables = new List<Table>(),
+                Success = true
+            };
+        }
+        catch (JsonException ex)
+        {
+            throw new KreuzbergParsingException($"Failed to parse JSON: {ex.Message}");
+        }
+    }
+
+    private static string ExtractText(JsonElement element)
+    {
+        return element.ValueKind switch
+        {
+            JsonValueKind.String => element.GetString() + "\n",
+            JsonValueKind.Array => string.Concat(
+                element.EnumerateArray().Select(ExtractText)
+            ),
+            JsonValueKind.Object => string.Concat(
+                element.EnumerateObject()
+                    .Select(p => ExtractText(p.Value))
+            ),
+            _ => ""
+        };
+    }
+}
+
+class Program
+{
+    static void Main()
+    {
+        try
+        {
+            var jsonBytes = System.Text.Encoding.UTF8.GetBytes(
+                @"{""name"": ""John"", ""age"": 30}"
+            );
+
+            var result = CustomJsonProcessor.ProcessJson(jsonBytes, "application/json");
+
+            Console.WriteLine($"Extracted: {result.Content}");
+        }
+        catch (KreuzbergException ex)
+        {
+            Console.WriteLine($"Error: {ex.Message}");
+        }
+    }
+}