@interface NLPModelTrainingDataProvider : NLDataProvider { unsigned long long _numberOfInstances; void *_dataSource; id /* block */ _instanceDataProvider; } - (void).cxx_destruct; - (id)initWithConfiguration:(id)a0 numberOfInstances:(unsigned long long)a1 dataSource:(void *)a2 instanceDataProvider:(id /* block */)a3; - (id)instanceAtIndex:(unsigned long long)a0; - (unsigned long long)numberOfInstances; @end