text: public virtual SubmitAttachmentStateChangesResponse SubmitAttachmentStateChanges(SubmitAttachmentStateChangesRequest request){var options = new InvokeOptions();options.RequestMarshaller = SubmitAttachmentStateChangesRequestMarshaller.Instance;options.ResponseUnmarshaller = SubmitAttachmentStateChangesResponseUnmarshaller.Instance;return Invoke<SubmitAttachmentStateChangesResponse>(request, options);}