@Override
	public Flux<List<ServiceInstance>> get() {
		throw new PolarisException(ErrorCode.INTERNAL_ERROR, "Unsupported method.");
	}
@Test
	public void testGet01() {
		PolarisRouterServiceInstanceListSupplier polarisSupplier = new PolarisRouterServiceInstanceListSupplier(
				delegate, routerAPI, requestInterceptors, null, new PolarisInstanceTransformer());
		assertThatThrownBy(() -> polarisSupplier.get()).isInstanceOf(PolarisException.class);
	}