minetest.register_abm({
    nodenames = {"mc:sweet_berry_bush_0"},
    interval = 10.0,
    chance = 16,
    action = function(pos, node, active_object_count, active_object_count_wider) minetest.set_node(pos, {name = "mc:sweet_berry_bush_1"}) end
})
minetest.register_abm({
    nodenames = {"mc:sweet_berry_bush_1"},
    interval = 10.0,
    chance = 16,
    action = function(pos, node, active_object_count, active_object_count_wider) minetest.set_node(pos, {name = "mc:sweet_berry_bush_2"}) end
})
minetest.register_abm({
    nodenames = {"mc:sweet_berry_bush_2"},
    interval = 10.0,
    chance = 16,
    action = function(pos, node, active_object_count, active_object_count_wider) minetest.set_node(pos, {name = "mc:sweet_berry_bush_3"}) end
})