diff --git a/control.lua b/control.lua
index 4bbad60..368a922 100644
--- a/control.lua
+++ b/control.lua
@@ -1,12 +1,17 @@
 require "lib"
 
+---@class (partial) PyPostProcessingStorage
+---@field nth_tick_order table<uint, NthTickOrder[]>
+---@field on_tick table<uint, table<uint, {name: string, params: any[]?}>>
+storage = {}
+
 -- on_nth_tick functions
 ---@class NthTickOrder
 ---@field func string
----@field delay int
+---@field delay uint
 
 ---@class NthTickFunc
----@field tick int
+---@field tick uint
 ---@field mod string
 
 ---@type table<string, NthTickFunc>
@@ -27,7 +32,6 @@ local register_on_nth_tick = function(func_list)
 end
 
 local function init_nth_tick(mod)
-    ---@type table<int, NthTickOrder[]>
     storage.nth_tick_order = storage.nth_tick_order or {}
     local added_funcs = {}
     for _, tick_funcs in pairs(storage.nth_tick_order) do
@@ -97,9 +101,6 @@ remote.add_interface("on_nth_tick", {
 })
 
 -- delayed functions
----@type table<integer, table<int, {name: string, params: any[]?}>>
-storage.on_tick = storage.on_tick or {}
-
 py.on_event(defines.events.on_tick, function(event)
     local tick = event.tick
     storage.on_tick = storage.on_tick or {}
diff --git a/lib/control-stage.lua b/lib/control-stage.lua
index d55a6e4..dfbb664 100644
--- a/lib/control-stage.lua
+++ b/lib/control-stage.lua
@@ -53,6 +53,9 @@ py.randomize_position = function(position, factor)
     return {x = x + factor * (random() - 0.5), y = y + factor * (random() - 0.5)}
 end
 
+---@class (partial) PyPostProcessingStorage
+---@field _last_cancel_creation_message uint
+
 ---Intended to be called inside a build event. Cancels creation of the entity.
 ---Returns its item_to_place back to the player or spills it on the ground.
 ---@param entity LuaEntity
@@ -115,7 +118,7 @@ py.cancel_creation = function(entity, player_index, message, color)
                 create_at_cursor = player.index == player_index
             }
         end
-        storage._last_cancel_creation_message = game.tick
+        storage._last_cancel_creation_message = tick
     end
 end
 
diff --git a/lib/events.lua b/lib/events.lua
index 3e3711b..313b9b9 100644
--- a/lib/events.lua
+++ b/lib/events.lua
@@ -72,6 +72,9 @@ py.events = {
     end
 }
 
+---@class (partial) PyPostProcessingStorage
+---@field ignored_players {[uint]: uint} player_index -> game tick
+
 ---Conditionally runs the given event based on if the player is not present within ignored_players
 ---@param event EventData.on_gui_click
 ---@param f function event handler