_EX_BALANCE_OBJECT

Windows 10 1507 (Original Release, Threshold 1)
Windows 10 1511 (November Update, Threshold 2)
Windows 10 1607 (Anniversary Update, Redstone 1)
//0x4 bytes (sizeof)
enum _EX_BALANCE_OBJECT
{
    ExTimerExpiration = 0,
    ExThreadSetManagerEvent = 1,
    ExThreadReaperEvent = 2,
    ExMaximumBalanceObject = 3
};