diff --git a/src/libs/Cohere/Generated/JsonConverters.GenerateStreamedResponse.g.cs b/src/libs/Cohere/Generated/JsonConverters.GenerateStreamedResponse.g.cs
index 420f3ec..aa0d803 100644
--- a/src/libs/Cohere/Generated/JsonConverters.GenerateStreamedResponse.g.cs
+++ b/src/libs/Cohere/Generated/JsonConverters.GenerateStreamedResponse.g.cs
@@ -91,19 +91,19 @@ public override void Write(
 
             if (value.IsStreamText)
             {
-                var typeInfo = typeInfoResolver.GetTypeInfo(typeof(global::Cohere.GenerateStreamText), options) as global::System.Text.Json.Serialization.Metadata.JsonTypeInfo<global::Cohere.GenerateStreamText?> ??
+                var typeInfo = typeInfoResolver.GetTypeInfo(typeof(global::Cohere.GenerateStreamText), options) as global::System.Text.Json.Serialization.Metadata.JsonTypeInfo<global::Cohere.GenerateStreamText> ??
                                throw new global::System.InvalidOperationException($"Cannot get type info for {typeof(global::Cohere.GenerateStreamText).Name}");
                 global::System.Text.Json.JsonSerializer.Serialize(writer, value.StreamText, typeInfo);
             }
             else if (value.IsStreamEnd)
             {
-                var typeInfo = typeInfoResolver.GetTypeInfo(typeof(global::Cohere.GenerateStreamEnd), options) as global::System.Text.Json.Serialization.Metadata.JsonTypeInfo<global::Cohere.GenerateStreamEnd?> ??
+                var typeInfo = typeInfoResolver.GetTypeInfo(typeof(global::Cohere.GenerateStreamEnd), options) as global::System.Text.Json.Serialization.Metadata.JsonTypeInfo<global::Cohere.GenerateStreamEnd> ??
                                throw new global::System.InvalidOperationException($"Cannot get type info for {typeof(global::Cohere.GenerateStreamEnd).Name}");
                 global::System.Text.Json.JsonSerializer.Serialize(writer, value.StreamEnd, typeInfo);
             }
             else if (value.IsStreamError)
             {
-                var typeInfo = typeInfoResolver.GetTypeInfo(typeof(global::Cohere.GenerateStreamError), options) as global::System.Text.Json.Serialization.Metadata.JsonTypeInfo<global::Cohere.GenerateStreamError?> ??
+                var typeInfo = typeInfoResolver.GetTypeInfo(typeof(global::Cohere.GenerateStreamError), options) as global::System.Text.Json.Serialization.Metadata.JsonTypeInfo<global::Cohere.GenerateStreamError> ??
                                throw new global::System.InvalidOperationException($"Cannot get type info for {typeof(global::Cohere.GenerateStreamError).Name}");
                 global::System.Text.Json.JsonSerializer.Serialize(writer, value.StreamError, typeInfo);
             }
diff --git a/src/libs/Cohere/Generated/JsonConverters.StreamedChatResponse.g.cs b/src/libs/Cohere/Generated/JsonConverters.StreamedChatResponse.g.cs
index fd0d490..f0dfd7d 100644
--- a/src/libs/Cohere/Generated/JsonConverters.StreamedChatResponse.g.cs
+++ b/src/libs/Cohere/Generated/JsonConverters.StreamedChatResponse.g.cs
@@ -205,55 +205,55 @@ public override void Write(
 
             if (value.IsStreamStartEvent)
             {
-                var typeInfo = typeInfoResolver.GetTypeInfo(typeof(global::Cohere.ChatStreamStartEvent), options) as global::System.Text.Json.Serialization.Metadata.JsonTypeInfo<global::Cohere.ChatStreamStartEvent?> ??
+                var typeInfo = typeInfoResolver.GetTypeInfo(typeof(global::Cohere.ChatStreamStartEvent), options) as global::System.Text.Json.Serialization.Metadata.JsonTypeInfo<global::Cohere.ChatStreamStartEvent> ??
                                throw new global::System.InvalidOperationException($"Cannot get type info for {typeof(global::Cohere.ChatStreamStartEvent).Name}");
                 global::System.Text.Json.JsonSerializer.Serialize(writer, value.StreamStartEvent, typeInfo);
             }
             else if (value.IsSearchQueriesGenerationEvent)
             {
-                var typeInfo = typeInfoResolver.GetTypeInfo(typeof(global::Cohere.ChatSearchQueriesGenerationEvent), options) as global::System.Text.Json.Serialization.Metadata.JsonTypeInfo<global::Cohere.ChatSearchQueriesGenerationEvent?> ??
+                var typeInfo = typeInfoResolver.GetTypeInfo(typeof(global::Cohere.ChatSearchQueriesGenerationEvent), options) as global::System.Text.Json.Serialization.Metadata.JsonTypeInfo<global::Cohere.ChatSearchQueriesGenerationEvent> ??
                                throw new global::System.InvalidOperationException($"Cannot get type info for {typeof(global::Cohere.ChatSearchQueriesGenerationEvent).Name}");
                 global::System.Text.Json.JsonSerializer.Serialize(writer, value.SearchQueriesGenerationEvent, typeInfo);
             }
             else if (value.IsSearchResultsEvent)
             {
-                var typeInfo = typeInfoResolver.GetTypeInfo(typeof(global::Cohere.ChatSearchResultsEvent), options) as global::System.Text.Json.Serialization.Metadata.JsonTypeInfo<global::Cohere.ChatSearchResultsEvent?> ??
+                var typeInfo = typeInfoResolver.GetTypeInfo(typeof(global::Cohere.ChatSearchResultsEvent), options) as global::System.Text.Json.Serialization.Metadata.JsonTypeInfo<global::Cohere.ChatSearchResultsEvent> ??
                                throw new global::System.InvalidOperationException($"Cannot get type info for {typeof(global::Cohere.ChatSearchResultsEvent).Name}");
                 global::System.Text.Json.JsonSerializer.Serialize(writer, value.SearchResultsEvent, typeInfo);
             }
             else if (value.IsTextGenerationEvent)
             {
-                var typeInfo = typeInfoResolver.GetTypeInfo(typeof(global::Cohere.ChatTextGenerationEvent), options) as global::System.Text.Json.Serialization.Metadata.JsonTypeInfo<global::Cohere.ChatTextGenerationEvent?> ??
+                var typeInfo = typeInfoResolver.GetTypeInfo(typeof(global::Cohere.ChatTextGenerationEvent), options) as global::System.Text.Json.Serialization.Metadata.JsonTypeInfo<global::Cohere.ChatTextGenerationEvent> ??
                                throw new global::System.InvalidOperationException($"Cannot get type info for {typeof(global::Cohere.ChatTextGenerationEvent).Name}");
                 global::System.Text.Json.JsonSerializer.Serialize(writer, value.TextGenerationEvent, typeInfo);
             }
             else if (value.IsCitationGenerationEvent)
             {
-                var typeInfo = typeInfoResolver.GetTypeInfo(typeof(global::Cohere.ChatCitationGenerationEvent), options) as global::System.Text.Json.Serialization.Metadata.JsonTypeInfo<global::Cohere.ChatCitationGenerationEvent?> ??
+                var typeInfo = typeInfoResolver.GetTypeInfo(typeof(global::Cohere.ChatCitationGenerationEvent), options) as global::System.Text.Json.Serialization.Metadata.JsonTypeInfo<global::Cohere.ChatCitationGenerationEvent> ??
                                throw new global::System.InvalidOperationException($"Cannot get type info for {typeof(global::Cohere.ChatCitationGenerationEvent).Name}");
                 global::System.Text.Json.JsonSerializer.Serialize(writer, value.CitationGenerationEvent, typeInfo);
             }
             else if (value.IsToolCallsGenerationEvent)
             {
-                var typeInfo = typeInfoResolver.GetTypeInfo(typeof(global::Cohere.ChatToolCallsGenerationEvent), options) as global::System.Text.Json.Serialization.Metadata.JsonTypeInfo<global::Cohere.ChatToolCallsGenerationEvent?> ??
+                var typeInfo = typeInfoResolver.GetTypeInfo(typeof(global::Cohere.ChatToolCallsGenerationEvent), options) as global::System.Text.Json.Serialization.Metadata.JsonTypeInfo<global::Cohere.ChatToolCallsGenerationEvent> ??
                                throw new global::System.InvalidOperationException($"Cannot get type info for {typeof(global::Cohere.ChatToolCallsGenerationEvent).Name}");
                 global::System.Text.Json.JsonSerializer.Serialize(writer, value.ToolCallsGenerationEvent, typeInfo);
             }
             else if (value.IsStreamEndEvent)
             {
-                var typeInfo = typeInfoResolver.GetTypeInfo(typeof(global::Cohere.ChatStreamEndEvent), options) as global::System.Text.Json.Serialization.Metadata.JsonTypeInfo<global::Cohere.ChatStreamEndEvent?> ??
+                var typeInfo = typeInfoResolver.GetTypeInfo(typeof(global::Cohere.ChatStreamEndEvent), options) as global::System.Text.Json.Serialization.Metadata.JsonTypeInfo<global::Cohere.ChatStreamEndEvent> ??
                                throw new global::System.InvalidOperationException($"Cannot get type info for {typeof(global::Cohere.ChatStreamEndEvent).Name}");
                 global::System.Text.Json.JsonSerializer.Serialize(writer, value.StreamEndEvent, typeInfo);
             }
             else if (value.IsToolCallsChunkEvent)
             {
-                var typeInfo = typeInfoResolver.GetTypeInfo(typeof(global::Cohere.ChatToolCallsChunkEvent), options) as global::System.Text.Json.Serialization.Metadata.JsonTypeInfo<global::Cohere.ChatToolCallsChunkEvent?> ??
+                var typeInfo = typeInfoResolver.GetTypeInfo(typeof(global::Cohere.ChatToolCallsChunkEvent), options) as global::System.Text.Json.Serialization.Metadata.JsonTypeInfo<global::Cohere.ChatToolCallsChunkEvent> ??
                                throw new global::System.InvalidOperationException($"Cannot get type info for {typeof(global::Cohere.ChatToolCallsChunkEvent).Name}");
                 global::System.Text.Json.JsonSerializer.Serialize(writer, value.ToolCallsChunkEvent, typeInfo);
             }
             else if (value.IsDebugEvent)
             {
-                var typeInfo = typeInfoResolver.GetTypeInfo(typeof(global::Cohere.ChatDebugEvent), options) as global::System.Text.Json.Serialization.Metadata.JsonTypeInfo<global::Cohere.ChatDebugEvent?> ??
+                var typeInfo = typeInfoResolver.GetTypeInfo(typeof(global::Cohere.ChatDebugEvent), options) as global::System.Text.Json.Serialization.Metadata.JsonTypeInfo<global::Cohere.ChatDebugEvent> ??
                                throw new global::System.InvalidOperationException($"Cannot get type info for {typeof(global::Cohere.ChatDebugEvent).Name}");
                 global::System.Text.Json.JsonSerializer.Serialize(writer, value.DebugEvent, typeInfo);
             }
diff --git a/src/libs/Cohere/Generated/JsonConverters.StreamedChatResponseV2.g.cs b/src/libs/Cohere/Generated/JsonConverters.StreamedChatResponseV2.g.cs
index 11c9122..a634950 100644
--- a/src/libs/Cohere/Generated/JsonConverters.StreamedChatResponseV2.g.cs
+++ b/src/libs/Cohere/Generated/JsonConverters.StreamedChatResponseV2.g.cs
@@ -224,61 +224,61 @@ public override void Write(
 
             if (value.IsMessageStartEvent)
             {
-                var typeInfo = typeInfoResolver.GetTypeInfo(typeof(global::Cohere.ChatMessageStartEvent), options) as global::System.Text.Json.Serialization.Metadata.JsonTypeInfo<global::Cohere.ChatMessageStartEvent?> ??
+                var typeInfo = typeInfoResolver.GetTypeInfo(typeof(global::Cohere.ChatMessageStartEvent), options) as global::System.Text.Json.Serialization.Metadata.JsonTypeInfo<global::Cohere.ChatMessageStartEvent> ??
                                throw new global::System.InvalidOperationException($"Cannot get type info for {typeof(global::Cohere.ChatMessageStartEvent).Name}");
                 global::System.Text.Json.JsonSerializer.Serialize(writer, value.MessageStartEvent, typeInfo);
             }
             else if (value.IsContentStartEvent)
             {
-                var typeInfo = typeInfoResolver.GetTypeInfo(typeof(global::Cohere.ChatContentStartEvent), options) as global::System.Text.Json.Serialization.Metadata.JsonTypeInfo<global::Cohere.ChatContentStartEvent?> ??
+                var typeInfo = typeInfoResolver.GetTypeInfo(typeof(global::Cohere.ChatContentStartEvent), options) as global::System.Text.Json.Serialization.Metadata.JsonTypeInfo<global::Cohere.ChatContentStartEvent> ??
                                throw new global::System.InvalidOperationException($"Cannot get type info for {typeof(global::Cohere.ChatContentStartEvent).Name}");
                 global::System.Text.Json.JsonSerializer.Serialize(writer, value.ContentStartEvent, typeInfo);
             }
             else if (value.IsContentDeltaEvent)
             {
-                var typeInfo = typeInfoResolver.GetTypeInfo(typeof(global::Cohere.ChatContentDeltaEvent), options) as global::System.Text.Json.Serialization.Metadata.JsonTypeInfo<global::Cohere.ChatContentDeltaEvent?> ??
+                var typeInfo = typeInfoResolver.GetTypeInfo(typeof(global::Cohere.ChatContentDeltaEvent), options) as global::System.Text.Json.Serialization.Metadata.JsonTypeInfo<global::Cohere.ChatContentDeltaEvent> ??
                                throw new global::System.InvalidOperationException($"Cannot get type info for {typeof(global::Cohere.ChatContentDeltaEvent).Name}");
                 global::System.Text.Json.JsonSerializer.Serialize(writer, value.ContentDeltaEvent, typeInfo);
             }
             else if (value.IsContentEndEvent)
             {
-                var typeInfo = typeInfoResolver.GetTypeInfo(typeof(global::Cohere.ChatContentEndEvent), options) as global::System.Text.Json.Serialization.Metadata.JsonTypeInfo<global::Cohere.ChatContentEndEvent?> ??
+                var typeInfo = typeInfoResolver.GetTypeInfo(typeof(global::Cohere.ChatContentEndEvent), options) as global::System.Text.Json.Serialization.Metadata.JsonTypeInfo<global::Cohere.ChatContentEndEvent> ??
                                throw new global::System.InvalidOperationException($"Cannot get type info for {typeof(global::Cohere.ChatContentEndEvent).Name}");
                 global::System.Text.Json.JsonSerializer.Serialize(writer, value.ContentEndEvent, typeInfo);
             }
             else if (value.IsToolPlanDeltaEvent)
             {
-                var typeInfo = typeInfoResolver.GetTypeInfo(typeof(global::Cohere.ChatToolPlanDeltaEvent), options) as global::System.Text.Json.Serialization.Metadata.JsonTypeInfo<global::Cohere.ChatToolPlanDeltaEvent?> ??
+                var typeInfo = typeInfoResolver.GetTypeInfo(typeof(global::Cohere.ChatToolPlanDeltaEvent), options) as global::System.Text.Json.Serialization.Metadata.JsonTypeInfo<global::Cohere.ChatToolPlanDeltaEvent> ??
                                throw new global::System.InvalidOperationException($"Cannot get type info for {typeof(global::Cohere.ChatToolPlanDeltaEvent).Name}");
                 global::System.Text.Json.JsonSerializer.Serialize(writer, value.ToolPlanDeltaEvent, typeInfo);
             }
             else if (value.IsToolCallStartEvent)
             {
-                var typeInfo = typeInfoResolver.GetTypeInfo(typeof(global::Cohere.ChatToolCallStartEvent), options) as global::System.Text.Json.Serialization.Metadata.JsonTypeInfo<global::Cohere.ChatToolCallStartEvent?> ??
+                var typeInfo = typeInfoResolver.GetTypeInfo(typeof(global::Cohere.ChatToolCallStartEvent), options) as global::System.Text.Json.Serialization.Metadata.JsonTypeInfo<global::Cohere.ChatToolCallStartEvent> ??
                                throw new global::System.InvalidOperationException($"Cannot get type info for {typeof(global::Cohere.ChatToolCallStartEvent).Name}");
                 global::System.Text.Json.JsonSerializer.Serialize(writer, value.ToolCallStartEvent, typeInfo);
             }
             else if (value.IsToolCallDeltaEvent)
             {
-                var typeInfo = typeInfoResolver.GetTypeInfo(typeof(global::Cohere.ChatToolCallDeltaEvent), options) as global::System.Text.Json.Serialization.Metadata.JsonTypeInfo<global::Cohere.ChatToolCallDeltaEvent?> ??
+                var typeInfo = typeInfoResolver.GetTypeInfo(typeof(global::Cohere.ChatToolCallDeltaEvent), options) as global::System.Text.Json.Serialization.Metadata.JsonTypeInfo<global::Cohere.ChatToolCallDeltaEvent> ??
                                throw new global::System.InvalidOperationException($"Cannot get type info for {typeof(global::Cohere.ChatToolCallDeltaEvent).Name}");
                 global::System.Text.Json.JsonSerializer.Serialize(writer, value.ToolCallDeltaEvent, typeInfo);
             }
             else if (value.IsToolCallEndEvent)
             {
-                var typeInfo = typeInfoResolver.GetTypeInfo(typeof(global::Cohere.ChatToolCallEndEvent), options) as global::System.Text.Json.Serialization.Metadata.JsonTypeInfo<global::Cohere.ChatToolCallEndEvent?> ??
+                var typeInfo = typeInfoResolver.GetTypeInfo(typeof(global::Cohere.ChatToolCallEndEvent), options) as global::System.Text.Json.Serialization.Metadata.JsonTypeInfo<global::Cohere.ChatToolCallEndEvent> ??
                                throw new global::System.InvalidOperationException($"Cannot get type info for {typeof(global::Cohere.ChatToolCallEndEvent).Name}");
                 global::System.Text.Json.JsonSerializer.Serialize(writer, value.ToolCallEndEvent, typeInfo);
             }
             else if (value.IsMessageEndEvent)
             {
-                var typeInfo = typeInfoResolver.GetTypeInfo(typeof(global::Cohere.ChatMessageEndEvent), options) as global::System.Text.Json.Serialization.Metadata.JsonTypeInfo<global::Cohere.ChatMessageEndEvent?> ??
+                var typeInfo = typeInfoResolver.GetTypeInfo(typeof(global::Cohere.ChatMessageEndEvent), options) as global::System.Text.Json.Serialization.Metadata.JsonTypeInfo<global::Cohere.ChatMessageEndEvent> ??
                                throw new global::System.InvalidOperationException($"Cannot get type info for {typeof(global::Cohere.ChatMessageEndEvent).Name}");
                 global::System.Text.Json.JsonSerializer.Serialize(writer, value.MessageEndEvent, typeInfo);
             }
             else if (value.IsDebugEvent)
             {
-                var typeInfo = typeInfoResolver.GetTypeInfo(typeof(global::Cohere.ChatDebugEvent), options) as global::System.Text.Json.Serialization.Metadata.JsonTypeInfo<global::Cohere.ChatDebugEvent?> ??
+                var typeInfo = typeInfoResolver.GetTypeInfo(typeof(global::Cohere.ChatDebugEvent), options) as global::System.Text.Json.Serialization.Metadata.JsonTypeInfo<global::Cohere.ChatDebugEvent> ??
                                throw new global::System.InvalidOperationException($"Cannot get type info for {typeof(global::Cohere.ChatDebugEvent).Name}");
                 global::System.Text.Json.JsonSerializer.Serialize(writer, value.DebugEvent, typeInfo);
             }