1.21.10-
  "gamerule.hungerLimitsSaturation": "Hunger limits saturation",
  "gamerule.hungerLimitsSaturation.description": "If true, limit the player's saturation level to never exceed the current hunger level.",
  "gamerule.maxSaturation": "Max saturation limit",
  "gamerule.maxSaturation.description": "Maximum saturation level for players (set below 0 to disable this limit). Set \"Hunger limits saturation\" to false to allow saturation levels above 20.",
  "gamerule.alwaysHungry": "Can always eat food",
  "gamerule.alwaysHungry.description": "Determines whether any food can be eaten regardless of hunger level in survival or adventure mode.",
  "gamerule.maxExhaustion": "Max exhaustion level",
  "gamerule.maxExhaustion.description": "Maximum exhaustion level before hunger or saturation is lost (larger numbers mean longer durations before loss). Set to 0 or below to disable exhaustion.",
  "gamerule.saturationEffectDecayRate": "Saturation status effect decay rate",
  "gamerule.saturationEffectDecayRate.description": "If a player has the Saturation status effect, the rate of saturation gain will decrease the more saturation they already have. Use larger values to amplify this decreasing rate, or set to 0 to disable this mechanic (not recommended)."

1.21.11+
  "gamerule.saturation_plus.hunger_limits_saturation": "Hunger limits saturation",
  "gamerule.saturation_plus.hunger_limits_saturation.description": "If true, limit the player's saturation level to never exceed the current hunger level.",
  "gamerule.saturation_plus.max_saturation": "Max saturation limit",
  "gamerule.saturation_plus.max_saturation.description": "Maximum saturation level for players (set below 0 to disable this limit). Set \"Hunger limits saturation\" to false to allow saturation levels above 20.",
  "gamerule.saturation_plus.always_hungry": "Can always eat food",
  "gamerule.saturation_plus.always_hungry.description": "Determines whether any food can be eaten regardless of hunger level in survival or adventure mode.",
  "gamerule.saturation_plus.max_exhaustion": "Max exhaustion level",
  "gamerule.saturation_plus.max_exhaustion.description": "Maximum exhaustion level before hunger or saturation is lost (larger numbers mean longer durations before loss). Set to 0 or below to disable exhaustion.",
  "gamerule.saturation_plus.saturation_effect_decay_rate": "Saturation status effect decay rate",
  "gamerule.saturation_plus.saturation_effect_decay_rate.description": "If a player has the Saturation status effect, the rate of saturation gain will decrease the more saturation they already have. Use larger values to amplify this decreasing rate, or set to 0 to disable this mechanic (not recommended)."
