title: Bean creation intercepter
body: <p>Let asy that there are several <code>org.springframework.web.reactive.function.client.WebClient</code> classes in the application which creatred like that:</p>
  
  <pre><code>@Bean
  @Qualifier("one")
  public WebClient one() {
      return WebClient.builder().baseUrl("someUrl").build();
  }
  @Bean
  @Qualifier("two")
  public WebClient two() {
      return WebClient.builder().baseUrl("someUrl").build();
  }
  //etc.
  </code></pre>
  
  <p>It is needed to add filters for all create <code>WebClient</code>s. Some thing like that:</p>
  
  <pre><code>public WebClient intercepter(WebClient webClient) {
      return webClient.mutate().filter(setupFilter());
  }
  </code></pre>
  
  <p>Can this be possible with spring 5?</p>