sb.append("TransformerChain{");
sb.append("ClassTransformerChain{");
    public String toString() {        StringBuffer sb = new StringBuffer();        sb.append("TransformerChain{");        for (int i = 0; i < chain.length; i++) {            if (i > 0) {                sb.append(", ");            }            sb.append(chain[i].toString());        }        sb.append("}");        return sb.toString();    }