| Interface | Description | 
|---|---|
| IDifferenceGroup | This interface represents an EMF Compare "group" of differences that can be displayed in the structural
 differences viewer of the UI. | 
| IDifferenceGroupProvider | Instances of this class will be used by EMF Compare in order to provide difference grouping facilities to
 the structural differences view. | 
| IDifferenceGroupProvider.Descriptor | A descriptor that can create adifference group provider. | 
| IDifferenceGroupProvider.Descriptor.Registry | A registry of  IDifferenceGroupProvider. | 
| IDifferenceGroupProvider2 | Extended interface of  IDifferenceGroupProviderthat gives information on the building status of its
 groups. | 
| IDifferenceGroupProviderChange | Stores selected  IDifferenceGroupProvider. | 
| Class | Description | 
|---|---|
| AbstractDifferenceGroupProvider | Abstract implementation of  IDifferenceGroupProvider. | 
| Enum | Description | 
|---|---|
| IDifferenceGroupProvider.ComparisonType | Type of comparison a  IDifferenceGroupProvidercan handle. | 
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