<PackageReference Include="Newtonsoft.Json" Version="14.0.1-beta2" />

Newtonsoft.Json.Bson.BsonString

namespace Newtonsoft.Json.Bson { internal class BsonString : BsonValue { public int ByteCount { get; set; } public bool IncludeLength { get; } public BsonString(object value, bool includeLength); } }