Constant GAMERULE_PLAYERS_NETHER_PORTAL_DEFAULT_DELAY_DESCRIPTION 

pub const GAMERULE_PLAYERS_NETHER_PORTAL_DEFAULT_DELAY_DESCRIPTION: &str = "gamerule.playersNetherPortalDefaultDelay.description";

“Time (in ticks) that a non-creative mode player needs to stand in a Nether portal before changing dimensions.”