| Class | Description | 
|---|---|
| IdentityProjection<I> | |
| MultiAttributeProjection<I> | 
 Projection that extracts the values of the given attributes and returns them in an Object[] array. 
 | 
| ProjectionDataSerializerHook | |
| SingleAttributeProjection<I,O> | 
 Projection that extracts the values of the given attribute and returns it. 
 | 
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