declare namespace org {
    namespace eclipse {
        namespace jetty {
            namespace util {
                class B64Code {
                    public static encode(arg0: java.lang.String | string): string
                    public static encode(arg0: java.lang.String | string, arg1: java.lang.String | string): string
                    public static encode(arg0: java.lang.String | string, arg1: java.nio.charset.Charset): string
                    public static encode(arg0: byte[]): char[]
                    public static encode(arg0: byte[], arg1: boolean): char[]
                    public static decode(arg0: java.lang.String | string, arg1: java.lang.String | string): string
                    public static decode(arg0: java.lang.String | string, arg1: java.nio.charset.Charset): string
                    public static decode(arg0: char[]): byte[]
                    public static decode(arg0: java.lang.String | string): byte[]
                    public static decode(arg0: java.lang.String | string, arg1: java.io.ByteArrayOutputStream): void
                    public static decodeRFC4648URL(arg0: java.lang.String | string): byte[]
                    public static decodeRFC4648URL(arg0: java.lang.String | string, arg1: java.io.ByteArrayOutputStream): void
                    public static encode(arg0: int, arg1: java.lang.Appendable): void
                    public static encode(arg0: long, arg1: java.lang.Appendable): void
                    public static class: java.lang.Class<any>
                }
            }
        }
    }
}