You work as a Software Developer for ABC Inc. The company uses Visual Studio .NET 2005 as its application development platform. You are creating an application using .NET Framework 2.0. The application uses serialization to allow users to take an instance of an object and convert it into a format that can be easily transmittable over the network or even stored in a database. You want to provide the base functionality for the common language runtime serialization formatters. Which of the following classes will you use to accomplish the task?