Constant GAMERULE_DO_VINES_SPREAD_DESCRIPTION 

pub const GAMERULE_DO_VINES_SPREAD_DESCRIPTION: &str = "gamerule.doVinesSpread.description";

“Controls whether or not the Vines block spreads randomly to adjacent blocks. Does not affect other types of vine blocks such as Weeping Vines, Twisting Vines, etc.”