gcf-owl-bot[bot] to ignoreAuthors (#674) (359b20f)getRequestMetadata(URI, Executor, RequestMetadataCallback) (#509) (0a8412f)NO_GCE_CHECK to metadata 404 error message (#205)getAccessToken() returning cached value (#162)ServiceAccountCredentials.refreshAccessToken() to avoid propagating failures (#100 addresses #91)GoogleCredentials.createDelegated() method to allow using domain-wide delegation with service accounts (#102)