private void skipWhiteSpace() {
        for (;;) {
            switch (c) {
            case ' ': case '\t': case '\n': case '\r':
                next();
                break;
            default: return;
            }
        }
    }
Decode bytes as a UTF-8 JSON into Slime, or throw {@link JsonParseException} on invalid JSON.
vespajlib/src/main/java/com/yahoo/slime/JsonDecoder.java