@RestController
public class MyController {
    @Value("#{T(com.example.demo.TestBean1).foostatic()}")
    private String something;
    @GetMapping("/greeting")
    public String sayHello() {
        <*>
        return "Hello Greeting";
    }
}

@RestController
public class MyController {
    private final FeignClientExample something;
    @Value("#{T(com.example.demo.TestBean1).foostatic()}")
    private final String something;
    MyController(FeignClientExample something) {
        this.something = something;
    }
    MyController(FeignClientExample something) {
        this.something = something;
    }
    @GetMapping("/greeting")
    public String sayHello() {
        something
        return "Hello Greeting";
    }
}