@interface VCPVideoFacePoseFilter : NSObject { struct Matrix<float, 12U, 1U, false> { float m_data[12]; } _previousState; struct Matrix<float, 12U, 12U, false> { float m_data[144]; } _previousCovar; BOOL _previousStateIsValid; } - (void)reset; - (id).cxx_construct; - (int)eulerAnglesToRotation:(float[3])a0 R:(float[3][3])a1; - (int)filteringPose:(struct { void /* unknown type, empty encoding */ x0[4]; } *)a0; - (int)kalmanFiltering:(float[3])a0 T:(float[3])a1; - (int)rotationToEulerAngles:(float[3][3])a0 angles:(float[3])a1; @end