@interface PGInfrequentCountryFeatureExtractor : PGGraphFeatureExtractor + (id)_labelsForVersion:(long long)a0; + (id)inferredUserLanguageCodesFromGraph:(id)a0; - (id)initWithError:(id *)a0; - (id)initWithFrequentCountryLabels:(id)a0 version:(long long)a1 graph:(id)a2 error:(id *)a3; - (id)initWithVersion:(long long)a0 graph:(id)a1 error:(id *)a2; @end