https://mongodb.github.io/mongo-csharp-driver/2.0/apidocs/html/M_MongoDB_Bson_Serialization_Serializers_DateTimeSerializer__ctor_4.htm
DateTimeSerializer Constructor (DateTimeKind)
Initializes a new instance of the class.
constructor
https://learn.microsoft.com/en-us/dotnet/api/system.datetimekind?view=netframework-4.7.2
DateTimeKind Enum (System) | Microsoft Learn
Specifies whether a DateTime object represents a local time, a Coordinated Universal Time (UTC), or is not specified as either local time or UTC.
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