@class NSArray, MAFeatureExtractor; @interface PGSequentialFeatureExtractor : MAFeatureExtractor @property (readonly, nonatomic) MAFeatureExtractor *featureExtractor; @property (readonly, nonatomic) NSArray *featureTransformers; - (id)featureNames; - (void).cxx_destruct; - (id)name; - (id)defaultFloatVectorWithError:(id *)a0; - (id)floatVectorWithEntity:(id)a0 error:(id *)a1; - (BOOL)_generateError:(id *)a0 code:(long long)a1 message:(id)a2 underlyingError:(id)a3; - (id)_transformFloatVector:(id)a0 error:(id *)a1; - (long long)featureLength; - (id)initWithFeatureExtractor:(id)a0 featureTransformers:(id)a1; @end