BsonMediaTypeFormatter class to handle Bson.

 DelegatingEnumerable`1 Helper class to serialize types by delegating them through a concrete implementation."/>.

 HttpValueCollection NameValueCollection to represent form data and to generate form data output.

 JsonMediaTypeFormatter class to handle Json.

 MediaTypeFormatterCollection Collection class that contains instances.

 XmlMediaTypeFormatter class to handle Xml.

 BaseJsonMediaTypeFormatter Abstract class to support Bson and Json.

 MediaTypeFormatter Base class to handle serializing and deserializing strongly-typed objects using .

 IFormatterLogger Interface to log events that occur during formatter reads.