open static fun decodeFromUrlSafeString(src: String): ByteArray
Base64-decode the given byte array from an UTF-8 String using the RFC 4648 "URL and Filename Safe Alphabet".
src - the encoded UTF-8 String
IllegalStateException - if Base64 encoding between byte arrays is not supported, i.e. neither Java 8 nor Apache Commons Codec is present at runtime
Return
the original byte array