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let tapInit: MTAudioProcessingTapInitCallback = {       (tap, clientInfo, tapStorageOut) in       tapStorageOut.pointee = clientInfo     }  var callback = MTAudioProcessingTapCallbacks(version: kMTAudioProcessingTapCallbacksVersion_0, clientInfo:UnsafeMutableRawPointer(Unmanaged.passUnretained(self.engine).toOpaque()), init: tapInit, finalize: tapFinalize, prepare: tapPrepare, unprepare: tapUnprepare) { tap, numberFrames, flags, bufferListInOut, numberFramesOut, flagsOut in               guard MTAudioProcessingTapGetSourceAudio(tap, numberFrames, bufferListInOut, flagsOut, nil, numberFramesOut) == noErr else {         preconditionFailure()       }       let storage = MTAudioProcessingTapGetStorage(tap)       let engine = Unmanaged<Engine>.fromOpaque(storage).takeUnretainedValue()       engine.render(bufferPtr: bufferListInOut)            }
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But I can't find any Machine Learning framework in iOS SDK... In Core ML I can't find any API called MLCDevice 😶😶