anchor.diff:  ----
   @Bean
   public SpringDataUserDetailsService springDataUserDetailsService() {
  -    return new SpringDataUserDetailsService();
  +		return new SpringDataUserDetailsService();
   }
   ----
   
  
positive.code: [source,java]
  ----
  public class WebSecurity {
      public boolean checkUserId(Authentication authentication, int id) {
          ...
      }
  }
  ----
  
  
negative.code: ----
  @Bean
  public BCryptPasswordEncoder passwordEncoder() {
  		return new BCryptPasswordEncoder();
  }
  ----
  
  