public T getInstance() {
    return ProxyUtil.getProxy(clazz, interceptor, argumentTypes, arguments);
  }
Create proxy in runtime to avoid 'ClassNotFoundException: $$EnhancerByCglib'

@param <T>
amoro-format-mixed/amoro-mixed-flink/amoro-mixed-flink-common/src/main/java/org/apache/amoro/flink/interceptor/ProxyFactory.java