diff --git a/src/types.ts b/src/types.ts
index 77a3e57..5cdd11f 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -1,57 +1,59 @@
-import { RequestHandler, Request } from "express";
-import typia from "typia";
+import { type RequestHandler, type Request } from 'express'
+import type typia from 'typia'
 
-type WeaponKillData = {
-  id: string;
-  mods: number;
-};
+interface WeaponKillData {
+  id: string
+  mods: number
+}
 
-export type LoadoutKillData = {
-  ordnance: WeaponKillData | undefined;
-  secondary: WeaponKillData | undefined;
-  primary: WeaponKillData | undefined;
-  tactical: WeaponKillData | undefined;
-  anti_titan: WeaponKillData | undefined;
-  passive1:string | undefined;
-  passive2:string | undefined;
-  titan: string | undefined;
-};
+export interface LoadoutKillData {
+  ordnance: WeaponKillData | undefined
+  secondary: WeaponKillData | undefined
+  primary: WeaponKillData | undefined
+  tactical: WeaponKillData | undefined
+  anti_titan: WeaponKillData | undefined
+  passive1: string | undefined
+  passive2: string | undefined
+  titan: string | undefined
+}
 
-type PlayerKillData = {
-  velocity: number;
-  name: string;
-  loadout: LoadoutKillData;
-  current_weapon: WeaponKillData;
-  state: string;
-  id: string;
-  cloaked: boolean;
-};
+interface PlayerKillData {
+  velocity: number
+  name: string
+  loadout: LoadoutKillData
+  current_weapon: WeaponKillData
+  state: string
+  id: string
+  cloaked: boolean
+}
 
-export type MatchData = {
-  server_name: string;
-  game_map: string;
-  gamemode: string;
-  air_accel: boolean;
-};
+export interface MatchData {
+  server_name: string
+  game_map: string
+  gamemode: string
+  air_accel: boolean
+}
 
-export type KillData = {
-  game_time: number;
-  player_count: number;
-  match_id: number;
-  victim: PlayerKillData;
-  attacker: PlayerKillData;
-  distance: number;
-  cause_of_death: string;
-};
+export interface KillData {
+  game_time: number
+  player_count: number
+  match_id: number
+  victim: PlayerKillData
+  attacker: PlayerKillData
+  distance: number
+  cause_of_death: string
+}
+
+export type RequestBody<T> = Request<any, any, T>
 
 export const validateBody =
   <T>(checker: (input: T) => typia.IValidation<T>): RequestHandler =>
-  (req, res, next) => {
-    const result: typia.IValidation<T> = checker(req.body);
-    if (!result.success) {
-      res.status(400).send({ errors: result.errors });
-      console.error(result.errors)
-    } else {
-      next();
+    (req, res, next) => {
+      const result: typia.IValidation<T> = checker(req.body)
+      if (!result.success) {
+        res.status(400).send({ errors: result.errors })
+        console.error(result.errors)
+      } else {
+        next()
+      }
     }
-  };