@Serial
    private void readObject(final ObjectInputStream in) throws Exception {
        val temp = parse(in.readUTF());
        this.id = temp.id;
        this.data = temp.data;
    }
Parse.

@param key the key
@return the client flow execution key
@throws BadlyFormattedFlowExecutionKeyException the badly formatted flow execution key exception
core/cas-server-core-webflow-api/src/main/java/org/apereo/cas/web/flow/executor/ClientFlowExecutionKey.java