<PackageReference Include="System.Security.Permissions" Version="10.0.0-preview.4.25258.110" />

MediaPermissionVideo

public enum MediaPermissionVideo
Specifies the permission level for video.
namespace System.Security.Permissions { [Obsolete("Code Access Security is not supported or honored by the runtime.", DiagnosticId = "SYSLIB0003", UrlFormat = "https://aka.ms/dotnet-warnings/{0}")] public enum MediaPermissionVideo { NoVideo, SiteOfOriginVideo, SafeVideo, AllVideo } }