This interface is implemented as a collection of file extensions that Search crawls or avoids when building a catalog (IExtension interface objects).
Hierarchy
ISearchAdmin:IBuildServer:IBuildCatalogs:IBuildCatalog
The following table briefly describes this interface's methods and properties. All but IncludedExtensions are described in the Common Collection Methods and Properties.
| Method | Description |
| Add | Adds an extension to the collection. |
| Remove | Removes an extension from the collection. |
| Property | Description |
| Count | The number of extensions in the collection. |
| IncludedExtension | Whether the collection is of included or excluded filename extension. |
| Item | Accesses a specific extension in the collection of extensions. |