anchor.diff:              .oauth2ResourceServer(OAuth2ResourceServerConfigurer::opaqueToken);
       }
   }
  -```
  +----
  +
  +.Xml
  +[source,xml,role="secondary"]
  +----
  +<http>
  +    <intercept-uri pattern="/contacts/**" access="hasAuthority('SCOPE_contacts')"/>
  +    <intercept-uri pattern="/messages/**" access="hasAuthority('SCOPE_messages')"/>
  +    <oauth2-resource-server>
  +        <opaque-token introspector-ref="opaqueTokenIntrospector"/>
  +    </oauth2-resource-server>
  +</http>
  +----
  +====
   
   Or similarly with method security:
   
  
positive.code:     }
  }
  ----
  ====
  
  Using `introspectionUri()` takes precedence over any configuration property.
  
negative.code: 
  And then specify this `AuthenticationManagerResolver` in the DSL:
  
  .Authentication Manager Resolver
  ====
  .Java
  [source,java,role="primary"]
  ----
  http
      .authorizeRequests(authorize -> authorize
  