def outMeta(arr_desc0, arr_desc1): return cv.empty_array_desc()
def outMeta(arr_desc0, arr_desc1, arr_desc2): return cv.empty_array_desc(), cv.empty_array_desc(), \ cv.empty_array_desc(), cv.empty_array_desc()
def outMeta(desc, max_corners, quality_lvl, min_distance, block_sz, use_harris_detector, k): return cv.empty_array_desc()
def custom_goodFeaturesToTrack_meta(img_desc, max_corners, quality_lvl, min_distance, mask, block_sz, use_harris_detector, k): return cv.empty_array_desc()