Pair`2 General purpose class to represent a standard pair of values.

 ReferenceEqualityComparer`1

 ReflectionBasedDictionaryAdapter Readonly implementation of which uses an anonymous object as its source. Uses names of properties as keys, and property values as... well - values. Keys are not case sensitive.

 StringObjectDictionaryAdapter

 ProxyServices List of utility methods related to dynamic proxy operations

 IServiceEnabledComponent Defines that the implementation wants a in order to access other components. The creator must be aware that the component might (or might not) implement the interface.

 IServiceProviderEx Increments IServiceProvider with a generic service resolution operation.

 IServiceProviderExAccessor This interface should be implemented by classes that are available in a bigger context, exposing the container to different areas in the same application. For example, in Web application, the (global) HttpApplication subclasses should implement this interface to expose the configured container