• IJobLogger

• XmlDatasetManager

• DataSet Table and Column Names

These are specialty classes that should only be used within the integration workflow in objects like preprocessors, integration processors, and postprocessors.

## Integration

• IUnitOfWork

• ISiteContext

• IAuthenticationService

• ICookieManager

These classes can be used most places in the application, but are also used in Handlers and Pipes.

## Handlers and pipes

• DateTimeProvider

• MessageProvider

These classes can be used in most places in the application where server-side extensions are used.