| AuthorizationServerConfigurerAdapter |
| WebSecurityConfigurerAdapter | Oauthに限らない認証設定一般 |
| @EnableAuthorizationServer | 認証サーバーとしての定義 |
| AuthorizationServerConfigurerAdapter | |
| ResourceServerConfigurerAdapter | |
| OAuth2ClientAuthenticationProcessingFilter |
https://qiita.com/kazuki43zoo/items/9cc00f0c92c7b0e1e529