privatestaticletsignInfoFlags:SecCSFlags=.init(rawValue: kSecCSSigningInformation)

// `expectedVersion` must be of the form `[0-9]+.[0-9]+.[0-9]+`

// swiftlint:disable:next cyclomatic_complexity

publicstaticfunc validate(path:URL, expectedVersion:String)throws(ValidationError){

guardFileManager.default.fileExists(atPath: path.path)else{

throw.fileNotFound

throw.missingInfoPList

tryvalidateInfo(infoPlist: infoPlist, expectedVersion: expectedVersion)

privatestaticfunc validateInfo(infoPlist:[String:AnyObject], expectedVersion:String)throws(ValidationError){

guardlet plistIdent=infoPlist[infoIdentifierKey]as?String, plistIdent== expectedIdentifierelse{

throw.invalidIdentifier(identifier:infoPlist[infoIdentifierKey]as?String)