public class KillSpit extends JavaPlugin {
    @Override
    public void onLoad() {
        try {
            MinecraftKey key = IRegistry.ENTITY_TYPE.getKey(EntityTypes.LLAMA_SPIT);
            Field aZ = EntityTypes.class.getDeclaredField("aZ");
            aZ.setAccessible(true);
            aZ.set(EntityTypes.LLAMA_SPIT, (EntityTypes.b) CustomSpit::new);
            IRegistry.ENTITY_TYPE.a(IRegistry.ENTITY_TYPE.a(EntityTypes.LLAMA_SPIT), key, EntityTypes.LLAMA_SPIT);
            getLogger().warning("REPLACED LLAMA SPIT!");
        } catch (IllegalAccessException | NoSuchFieldException e) {
            getLogger().severe("COULD NOT REPLACE LLAMA SPIT!");
            e.printStackTrace();
        }
    }

    public static class CustomSpit extends EntityLlamaSpit {
        public CustomSpit(EntityTypes<? extends EntityLlamaSpit> entitytypes, World world) {
            super(entitytypes, world);
        }

        public CustomSpit(World world, EntityLlama entityllama) {
            super(world, entityllama);
        }

        @Override
        public void tick() {
            die();
        }
    }
}