Whitelist existing violations, but enable the sniff to prevent
any new occurrences.
-->
- <exclude-pattern>*/includes/actions/HistoryAction\.php</exclude-pattern>
<exclude-pattern>*/includes/api/ApiErrorFormatter\.php</exclude-pattern>
<exclude-pattern>*/includes/api/ApiImport\.php</exclude-pattern>
<exclude-pattern>*/includes/api/ApiMessage\.php</exclude-pattern>