What is the Bacon means in the log file?

Hi I am reading the powerlog file of the hs.

I found a lot "bacon" in the log file. You know bacon is a food. So what is the true meaning for bacon here?

IS_BACON_POOL_MINION
BACON_NUMBER_HERO_REFRESH_AVAILABLE
BACON_DUMMY_PLAYER
TB_BaconShop_HERO_PH
BACON_IS_KEL_THUZAD