@class NSString; @protocol _DKKnowledgeSaving, _DKKnowledgeQuerying; @interface _PSFamilyMLPredictionTask : NSObject @property (readonly, copy, nonatomic) NSString *directory; @property (retain, nonatomic) id<_DKKnowledgeQuerying, _DKKnowledgeSaving> knowledgeStore; - (void)execute:(id)a0; - (id)contactKeysToFetch; - (void).cxx_destruct; - (void)enumerateContactsInContactStoreUsingBlock:(id /* block */)a0; - (id)knowledgeEventUsingPredictions:(id)a0 familyRelations:(id)a1; @end