OpenAiApi.ChatCompletionRequest request = new OpenAiApi.ChatCompletionRequest(null, null);
OpenAiChatOptions requestOptions = OpenAiChatOptions.builder()
        .model("test")
        .extraBody(Map.of("enable_thinking", true))
        .build();
request = ModelOptionsUtils.merge(requestOptions, request, OpenAiApi.ChatCompletionRequest.class);
System.out.println(request.extraBody());

{}