Redirecting you to https://accounts.google.com/Logout?continue=https://uc.appengine.google.com/_ah/logout%3Fcontinue%3Dhttps://google.com/url%253Fsa%253DD%2526q%253Dhttps://codereview.chromium.org/1551443002/diff/120001/test/mjsunit/es6/classes-derived-return-type.js%2526ust%253D1608706415320225%2526usg%253DAFQjCNFQc3i2pjz9C9qYtbFwpkUzrVTvgg&service=ah