> Task :security-authorization-engine:compileJava FAILED
/Users/rene/dev/elasticsearch-master/plugins/examples/security-authorization-engine/src/main/java/org/elasticsearch/example/CustomAuthorizationEngine.java:50: error: cannot find symbol
        if (authentication.getUser().isRunAs()) {
                                    ^
  symbol:   method isRunAs()
  location: class User
/Users/rene/dev/elasticsearch-master/plugins/examples/security-authorization-engine/src/main/java/org/elasticsearch/example/CustomAuthorizationEngine.java:52: error: cannot find symbol
                new CustomAuthorizationInfo(authentication.getUser().authenticatedUser().roles(), null);
                                                                    ^
  symbol:   method authenticatedUser()
  location: class User
/Users/rene/dev/elasticsearch-master/plugins/examples/security-authorization-engine/src/main/java/org/elasticsearch/example/CustomAuthorizationEngine.java:61: error: cannot find symbol
        if (isSuperuser(requestInfo.getAuthentication().getUser().authenticatedUser())) {
                                                                 ^
  symbol:   method authenticatedUser()
  location: class User
Note: /Users/rene/dev/elasticsearch-master/plugins/examples/security-authorization-engine/src/main/java/org/elasticsearch/example/CustomAuthorizationEngine.java uses or overrides a deprecated API.
Note: Recompile with -Xlint:deprecation for details.
3 errors