@interface PGMeaningMemoryNodeFeatureExtractor : PGGraphMemoryNodeFeatureExtractor + (id)prefix; + (id)name; + (id)_labelProcessingForVersion:(long long)a0 label:(id)a1; + (id)_labelsForVersion:(long long)a0; - (id)initWithError:(id *)a0; - (id)initWithVersion:(long long)a0 error:(id *)a1; @end