DeprecationWarning: collection.update is deprecated. Use updateOne, updateMany, or bulkWrite instead.
at ~node_modules\acl\lib\mongodb-backend.js:128:20
DeprecationWarning: collection.ensureIndex is deprecated. Use createIndexes instead.
at ~node_modules\acl\lib\mongodb-backend.js:138:20
mongodb@2.2.36 deprecation warnings as follows: