@protocol EvaluatorDataSource; @interface EvaluationDataSourceEspressoWrapper : NSObject <ETDataSource> @property (retain, nonatomic) id<EvaluatorDataSource> dataSource; - (void).cxx_destruct; - (id)dataPointAtIndex:(int)a0; - (int)numberOfDataPoints; - (id)dataProcessAtIndex:(int)a0; - (id)featureProviderAtIndex:(int)a0; - (id)initWithEvaluatorDataSource:(id)a0; @end