         
         print(App.copyrightNotice)
         print("Usage:")
-        for (key, value) in Array(details).sorted(by: {$0.0 < $1.0}) {
+        for (key, value) in Array(usageDetails).sorted(by: {$0.0 < $1.0}) {
             let item1 = value[0]
             let item2 = value[1]
             let output = key.padding(toLength: keyLength + 3, withPad: " ", startingAt: 0) +

let optLangType = "-type"
let optPlatformType = "-platform"

let javaCommon =
"public final class Sango {\n" +
"    public static final String VERSION = \"\(App.copyrightNotice)\";\n" +

        }
    }
    
    private func validateOptions(_ args: [String]) -> Bool {
        var validated = false
        
        for argument in args {
            for (key, _) in usageDetails {
                if argument == key {
                    validated = true
                }
            }
        }

        return validated
    }
    
    func start(_ args: [String]) -> Void {
        if (findOption(args, option: "-h") || findOption(args, option: "-help") || args.count == 0) {
            usage()
            exit(0)
        }

        if validateOptions(args) == false {
            Utils.error("Invalid option")
            usage()
            exit(-1)
        }
        
        if (findOption(args, option: optHelpKeys)) {
            helpKeys()
            exit(0)
