class Fastjson2ValueDecoder extends AbstractJsonDecoder {

    public static final Fastjson2ValueDecoder INSTANCE = new Fastjson2ValueDecoder(true);

    public Fastjson2ValueDecoder(boolean useIdentityNumber) {
        super(useIdentityNumber);
    }

    @Override
    protected Object parseObject(byte[] buffer, int index, int len, Class clazz) {<FILL_FUNCTION_BODY>}
}

        String s = new String(buffer, index, len, StandardCharsets.UTF_8);
        return JSON.parseObject(s, clazz);
    
<methods>public void <init>(boolean) <variables>