emptyAsync static method
returns a new BFMatcher algorithm
For further details, please see: https://docs.opencv.org/master/d3/d61/classcv_1_1KAZE.html
Implementation
static Future<BFMatcher> emptyAsync() async => cvRunAsync(
cffi.BFMatcher_Create_Async,
(c, p) => c.complete(BFMatcher.fromPointer(p.cast<cvg.BFMatcher>())),
);