using System; using System.IO; using System.Text; using Nini.Config; using OpenMetaverse.StructuredData; class Example { static void Main() { string json = File.ReadAllText("example.json", Encoding.UTF8); OSD osd = OSDParser.FromString(json); // Do something with the deserialized OSD object } }In this example, we read a JSON-formatted OSD data stream from a file called "example.json" and deserialize it using the FromString method. The resulting OSD object is then available for further processing. The package library used in this example is OpenMetaverse.StructuredData, which provides classes for working with OSD data streams in C#.