src/game/java/net/minecraft/world/effect/SaturationMobEffect.java

package net.minecraft.world.effect;

import net.minecraft.server.level.ServerLevel;
import net.minecraft.world.entity.LivingEntity;
import net.minecraft.world.entity.player.Player;

class SaturationMobEffect extends InstantenousMobEffect {
    protected SaturationMobEffect(MobEffectCategory p_297998_, int p_300022_) {
        super(p_297998_, p_300022_);
    }

    @Override
    public boolean applyEffectTick(ServerLevel p_368977_, LivingEntity p_300503_, int p_301046_) {
        if (p_300503_ instanceof Player player) {
            player.getFoodData().eat(p_301046_ + 1, 1.0F);
        }

        return true;
    }
}