4.14Adding Stream content

HttpRequestBuilder.Post("https://furion.net")    .SetMultipartContent(multipart =>    {        multipart.AddStream(stream, "file");        multipart.AddStream(stream, "file", "test.txt");     // Set the file name        multipart.AddStream(stream, "file", "test.txt", "text/plain");     // Set the media type; if Content-Type is not provided, it will be automatically resolved based on the file extension        multipart.AddStream(stream, "file", "test.txt", "text/plain", disposeResourcesOnRequestCompletion: true);     // Can set resources to be automatically released after the request completes    });