다음과 같은 interface를 구현한@FunctionalInterfacepublic interface ServiceSupplier { T findOne(SomeParameter someParameter);}@FunctionalInterfacepublic interface ServiceListSupplier { List findList(SomeParameter someParameter);}다음과 같은 service가 있다고 가정해 보자.@Servicepublic class SomeService implements ServiceSupplier, ServiceListSupplier { @Override public SomeObject findOne(SomeParameter somePar..