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let keys: [URLResourceKey] = [.volumeNameKey, .volumeIsRemovableKey, .volumeIsEjectableKey]
let paths = FileManager().mountedVolumeURLs(includingResourceValuesForKeys: keys, options: [])
if let urls = paths {
    for url in urls {
        let components = url.pathComponents
        if components.count > 1
           && components[1] == "Volumes"
        {
            print(url)
        }
    }
}