#Azure AD https://docs.microsoft.com/en-us/azure/active-directory/develop/active-directory-v2-protocols https://docs.microsoft.com/en-us/azure/active-directory/develop/v2-protocols-oidc https://docs.microsoft.com/en-us/azure/active-directory/develop/v2-oauth2-client-creds-grant-flow https://docs.microsoft.com/en-us/azure/active-directory/develop/access-tokens
#Spring Security https://docs.spring.io/spring-security/site/docs/5.2.3.BUILD-SNAPSHOT/reference/html5/#jc-method https://stackoverflow.com/questions/55609083/how-to-set-user-authorities-from-user-claims-return-by-an-oauth-server-in-spring