@Riot Can we have the formula/s for Champion mastery grades be realeased offically?

I know it is most likely in the game's files somewhere or on the internet

But it would be nice that we could have the offical formula/s released so we know

A. What we are graded on (this part will most likely be downvoted but this part is 2-fer) B. So we can recomend changes in the future so it applies to more parts of the game so grades are more realistic of player skill

I don't know if this is part of the formula but wards placed and destroyed should be part of it becuase supports aren't known for having the best KDA even if they help their team to victory (Yeah in a great support game, you would go 0/2/32 but that isn't a realistic number for a Leona support do to having to commit very hard to fights, most likely resulting in death unless ahead)