last ...

Interfaces/Extractors/IXDocxFileContentExtractor.cs

@@ -0,0 +1,5 @@
+namespace xAiApi.Interfaces.Extractors
+{
+    public interface IXDocxFileContentExtractor : IXFileContentExtractor
+    { }
+}

Interfaces/Extractors/IXExcelFileContentExtractor.cs

@@ -0,0 +1,5 @@
+namespace xAiApi.Interfaces.Extractors
+{
+    public interface IXExcelFileContentExtractor : IXFileContentExtractor
+    { }
+}

Interfaces/Extractors/IXFileContentExtractor.cs

@@ -1,6 +1,7 @@
 using System.IO;
 using System.Threading;
 using System.Threading.Tasks;
+using xAiModels.Models;
 
 namespace xAiApi.Interfaces.Extractors
 {
@@ -22,5 +23,20 @@ namespace xAiApi.Interfaces.Extractors
             string mimeType,
             CancellationToken cancellationToken = default
         );
+
+        /// <summary>
+        /// Extract content from stream as Rich Result ...
+        /// </summary>
+        /// <param name="fileStream"></param>
+        /// <param name="fileName"></param>
+        /// <param name="mimeType"></param>
+        /// <param name="cancellationToken"></param>
+        /// <returns></returns>
+        Task<XFileExtractionResult> ExtractRichAsync(
+            Stream fileStream,
+            string fileName,
+            string mimeType,
+            CancellationToken cancellationToken = default
+        );
     }
 }

Interfaces/Extractors/IXImageFileContentExtractor.cs

@@ -0,0 +1,5 @@
+namespace xAiApi.Interfaces.Extractors
+{
+    public interface IXImageFileContentExtractor : IXFileContentExtractor
+    { }
+}