System/Library/PrivateFrameworks/PhotosGraph.framework

PGFaceFeatureExtractor.h

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1. NSObject
2. >
3. MAFeatureExtractor
4. >
5. PGFeatureExtractor

@interface PGFaceFeatureExtractor : PGFeatureExtractor

- (id)floatVectorWithFace:(id)a0 error:(id *)a1;

@end