docs: @Override
      public boolean getDisplayAuthenticationRealm() {
          WebAppSecurityConfig globalConfig = WebAppSecurityCollaboratorImpl.getGlobalWebAppSecurityConfig();
          if (globalConfig != null)
              return WebAppSecurityCollaboratorImpl.getGlobalWebAppSecurityConfig().getDisplayAuthenticationRealm();
          else
              return displayAuthenticationRealm;
      }