diff --git a/package-lock.json b/package-lock.json
new file mode 100644
index 0000000..5addc16
--- /dev/null
+++ b/package-lock.json
@@ -0,0 +1,44 @@
+{
+  "name": "@typescript-package/middleware",
+  "version": "0.0.2",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "@typescript-package/middleware",
+      "version": "0.0.2",
+      "funding": [
+        {
+          "type": "stripe",
+          "url": "https://donate.stripe.com/dR614hfDZcJE3wAcMM"
+        },
+        {
+          "type": "individual",
+          "url": "https://checkout.revolut.com/pay/048b10a3-0e10-42c8-a917-e3e9cb4c8e29"
+        }
+      ],
+      "license": "MIT",
+      "devDependencies": {},
+      "peerDependencies": {
+        "@typedly/middleware": "^1.0.0"
+      }
+    },
+    "node_modules/@typedly/middleware": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/@typedly/middleware/-/middleware-1.0.0.tgz",
+      "integrity": "sha512-eUQ9AHkIgkb/Yh1q72s2fj6brtJ2Ubf/ysitxTE+2zKd0m8lk/+xoqjtIb/XDgN6Oz95ZghdVcYxCgYCr47XtA==",
+      "funding": [
+        {
+          "type": "stripe",
+          "url": "https://donate.stripe.com/dR614hfDZcJE3wAcMM"
+        },
+        {
+          "type": "revolut",
+          "url": "https://checkout.revolut.com/pay/048b10a3-0e10-42c8-a917-e3e9cb4c8e29"
+        }
+      ],
+      "license": "MIT",
+      "peer": true
+    }
+  }
+}
diff --git a/package.json b/package.json
index 7adc364..cf52dec 100644
--- a/package.json
+++ b/package.json
@@ -8,8 +8,9 @@
     "access": "public",
     "registry": "https://registry.npmjs.org"
   },
-  "devDependencies": {},
-  "peerDependencies": {},
+  "peerDependencies": {
+    "@typedly/middleware": "^1.0.0"
+  },
   "scripts": {
     "prepublishOnly": "npm run pkg && npm run clean",
     "pkg": "npm pkg delete dependencies",
diff --git a/src/interface/index.ts b/src/interface/index.ts
deleted file mode 100644
index 2793d3a..0000000
--- a/src/interface/index.ts
+++ /dev/null
@@ -1 +0,0 @@
-export type { MiddlewareShape } from './middleware.shape';
\ No newline at end of file
diff --git a/src/interface/middleware.shape.ts b/src/interface/middleware.shape.ts
deleted file mode 100644
index 4a5d59b..0000000
--- a/src/interface/middleware.shape.ts
+++ /dev/null
@@ -1,16 +0,0 @@
-/**
- * @description The shape of a middleware system.
- * @export
- * @interface MiddlewareShape
- * @typedef {MiddlewareShape}
- * @template [Input=any] The type of the arguments passed to middleware functions.
- * @template [Output=any] The type of the output returned by middleware functions.
- * @template [Middleware=any] The type of the middleware.
- */
-export interface MiddlewareShape<Input = any, Output = any, Middleware = any> {
-  execute(context: Input): void;
-  execute(...args: Input[]): void;
-  use(middleware: Middleware): this;
-  executeAsync(context: Input): Promise<Output>;
-  executeAsync(...args: Input[]): Promise<Output>;
-}
diff --git a/src/lib/context-middleware-base.abstract.ts b/src/lib/context-middleware-base.abstract.ts
index d8c17b2..3aa432f 100644
--- a/src/lib/context-middleware-base.abstract.ts
+++ b/src/lib/context-middleware-base.abstract.ts
@@ -1,7 +1,7 @@
 // Abstract.
 import { MiddlewareBase } from './middleware-base.abstract';
 // Type.
-import { ContextMiddlewareFunction } from '../type';
+import { ContextMiddlewareFunction } from '@typedly/middleware';
 /**
  * @description
  * @export
diff --git a/src/lib/context-middleware.class.ts b/src/lib/context-middleware.class.ts
index ef68a84..53d23b0 100644
--- a/src/lib/context-middleware.class.ts
+++ b/src/lib/context-middleware.class.ts
@@ -1,7 +1,7 @@
 // Abstract.
 import { ContextMiddlewareBase } from './context-middleware-base.abstract';
 // Type.
-import { ContextMiddlewareFunction } from '../type';
+import { ContextMiddlewareFunction } from '@typedly/middleware';
 /**
  * @description
  * @export
diff --git a/src/lib/middleware-base.abstract.ts b/src/lib/middleware-base.abstract.ts
index d5deb1d..4e26400 100644
--- a/src/lib/middleware-base.abstract.ts
+++ b/src/lib/middleware-base.abstract.ts
@@ -1,7 +1,7 @@
 // Abstract.
 import { MiddlewareCore } from './middleware-core.abstract';
 // Type.
-import { MiddlewareFunction } from '../type';
+import { MiddlewareFunction } from '@typedly/middleware';
 /**
  * @description The base abstraction for arguments middleware.
  * @export
diff --git a/src/lib/middleware-core.abstract.ts b/src/lib/middleware-core.abstract.ts
index dc701c3..759c697 100644
--- a/src/lib/middleware-core.abstract.ts
+++ b/src/lib/middleware-core.abstract.ts
@@ -1,5 +1,5 @@
 // Interface.
-import { MiddlewareShape } from "../interface/middleware.shape";
+import { MiddlewareShape } from '@typedly/middleware';
 /**
  * @description
  * @export
diff --git a/src/lib/middleware.class.ts b/src/lib/middleware.class.ts
index 1adfda6..458caa7 100644
--- a/src/lib/middleware.class.ts
+++ b/src/lib/middleware.class.ts
@@ -1,7 +1,7 @@
 // Abstract.
 import { MiddlewareBase } from './middleware-base.abstract';
 // Type.
-import { MiddlewareFunction } from '../type';
+import { MiddlewareFunction } from '@typedly/middleware';
 /**
  * @description
  * @export
diff --git a/src/public-api.ts b/src/public-api.ts
index a41da30..1b7abda 100644
--- a/src/public-api.ts
+++ b/src/public-api.ts
@@ -11,12 +11,3 @@ export {
   Middleware,
   ContextMiddleware,
 } from './lib';
-// Type.
-export type {
-  ContextMiddlewareFunction,
-  MiddlewareFunction,
-} from './type';
-// Interface.
-export type {
-  MiddlewareShape
-} from './interface';
diff --git a/src/type/context-middleware-function.type.ts b/src/type/context-middleware-function.type.ts
deleted file mode 100644
index 071afb9..0000000
--- a/src/type/context-middleware-function.type.ts
+++ /dev/null
@@ -1,5 +0,0 @@
-/**
- * @description
- * @export
- */
-export type ContextMiddlewareFunction<Context = any> = (context: Context, next: () => void) => void;
diff --git a/src/type/index.ts b/src/type/index.ts
deleted file mode 100644
index 1e2a502..0000000
--- a/src/type/index.ts
+++ /dev/null
@@ -1,2 +0,0 @@
-export type { ContextMiddlewareFunction } from './context-middleware-function.type';
-export type { MiddlewareFunction } from './middleware-function.type';
\ No newline at end of file
diff --git a/src/type/middleware-function.type.ts b/src/type/middleware-function.type.ts
deleted file mode 100644
index bfcb123..0000000
--- a/src/type/middleware-function.type.ts
+++ /dev/null
@@ -1,5 +0,0 @@
-/**
- * @description
- * @export
- */
-export type MiddlewareFunction<Args = any> = (args: Args[], next: () => void) => void;