class License (val appName: String,
               val permission: String)
val expectedLicenses: List<License> = ...
val validLicenses: List<AppLicense> = ...
val isValidLicense = { license -> expectedLicenses.find {validLicense -> license.appName == validLicense.appName && validLicense.notExpired && validLicense.permissionTypes.contains(lisense.permission)  }}
val license = validLicenses.filter { testEncryption(it.publicKeyID) }
                .map { it.applicationLicenses }
                .flatten()
                .firstOrNull {isValidLicense(it) }