<PackageReference Include="System.Drawing.Common" Version="10.0.0" />

System.Private.Windows.IJsonData

interface IJsonData
Represents an object that contains JSON serialized data. This interface is used to identify a JsonData<T> without needing to have the generic type information.
namespace System.Private.Windows { internal interface IJsonData { const string CustomAssemblyName = "System.Private.Windows.VirtualJson"; byte[] JsonBytes { get; set; } string InnerTypeAssemblyQualifiedName { get; } object Deserialize(); IJsonData Create<[Nullable(2)] T>(T data); } }