When do we use `antMatcher()` vs `antMatchers()`?

For example:

&lt;!-- language: java --&gt;

    http
       .antMatcher(&quot;/high_level_url_A/**&quot;)
       .authorizeRequests()
          .antMatchers(&quot;/high_level_url_A/sub_level_1&quot;).hasRole(&#39;USER&#39;)
          .antMatchers(&quot;/high_level_url_A/sub_level_2&quot;).hasRole(&#39;USER2&#39;)
          .somethingElse()
          .anyRequest().authenticated()
          .and()
       .antMatcher(&quot;/high_level_url_B/**&quot;)
       .authorizeRequests()
          .antMatchers(&quot;/high_level_url_B/sub_level_1&quot;).permitAll()
          .antMatchers(&quot;/high_level_url_B/sub_level_2&quot;).hasRole(&#39;USER3&#39;)
          .somethingElse()
          .anyRequest().authenticated()
          .and()
       ...

What I expect here is, 

- Any request matches to `/high_level_url_A/**` should be authenticated +  `/high_level_url_A/sub_level_1` only for USER and `/high_level_url_A/sub_level_2` only for USER2
- Any request matches to `/high_level_url_B/**` should be authenticated +  `/high_level_url_B/sub_level_1` for public access and `/high_level_url_A/sub_level_2` only for USER3.
- Any other pattern I don&#39;t care - But should be public ?

I have seen latest examples do not include `antMatcher()` these days. Why is that? Is `antMatcher()` no longer required?

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When to use Spring Security`s antMatcher()?