public static interface RetrievalDetails.DocumentRetrievalStrategy
**Note**: In the event of trained collections being queried, but the trained model is not used to return results, the **document_retrieval_strategy** is listed as `untrained`.
| Modifier and Type | Field and Description | 
|---|---|
static String | 
RELEVANCY_TRAINING
relevancy_training. 
 | 
static String | 
UNTRAINED
untrained. 
 | 
static final String UNTRAINED
static final String RELEVANCY_TRAINING
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