Extension:CheckUser/Hooks/CheckUserInsertPrivateEventRow

Parameters

 * - The IP address that will be stored in the row, which can be modified
 * - The XFF header that will be stored in the row, which can be modified
 * - The row that will be stored in the cu_private_event after a few more modifications, which can be modified by code that hooks onto this hook
 * - The user who made the request that caused the cu_private_event row.
 * - Optional. The RecentChanges object associated with the request that caused the cu_private_event row insert (if one exists).