build ScanningAndDetecting3DObjects app

i want to build Scanning and Detecting 3D Objects app ,but it have some errors, I'm not familiar with the use of xcode

build input files cannot found : "DetectedPointCloud.swift","ScannedPointCloud.swift" ,"Snapping.Swift","DetectedBoundingBox.swift" etc.

were you ever able to get it to build? I am having the same problem

build ScanningAndDetecting3DObjects app
 
 
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