diff --git a/src/runtime/client.ts b/src/runtime/client.ts
index bc17bbf..42845d7 100644
--- a/src/runtime/client.ts
+++ b/src/runtime/client.ts
@@ -1,24 +1,12 @@
-import type { CreateTRPCClientOptions, TRPCClientErrorLike, inferRouterProxyClient } from '@trpc/client'
+import type { CreateTRPCClientOptions, inferRouterProxyClient } from '@trpc/client'
 import { createTRPCProxyClient } from '@trpc/client'
 import { FetchError } from 'ohmyfetch'
 import type {
-  AnyMutationProcedure,
-  AnyProcedure,
-  AnyQueryProcedure,
   AnyRouter,
-  ProcedureRouterRecord,
-  inferProcedureInput,
-  inferProcedureOutput,
 } from '@trpc/server'
 import { createFlatProxy, createRecursiveProxy } from '@trpc/server/shared'
-import type {
-  AsyncData,
-  AsyncDataOptions,
-  KeyOfRes,
-  PickFrom,
-  _Transform,
-} from 'nuxt/dist/app/composables/asyncData'
 import { hash } from 'ohash'
+import type { DecoratedProcedureRecord } from './types'
 
 /**
  * Calculates the key used for `useAsyncData` call
@@ -59,50 +47,6 @@ function createNuxtProxyDecoration<TRouter extends AnyRouter>(name: string, clie
   })
 }
 
-/**
- * @internal
- */
-export type DecorateProcedure<
- TProcedure extends AnyProcedure,
- TPath extends string,
-> = TProcedure extends AnyQueryProcedure
-  ? {
-      query: <
-      TData = inferProcedureOutput<TProcedure>,
-      Transform extends _Transform<TData> = _Transform<TData, TData>,
-      PickKeys extends KeyOfRes<Transform> = KeyOfRes<Transform>,
-     >(
-        input: inferProcedureInput<TProcedure>,
-        opts?: AsyncDataOptions<TData, Transform, PickKeys>,
-      ) => AsyncData<PickFrom<ReturnType<Transform>, PickKeys>, TRPCClientErrorLike<TProcedure>>
-    } : TProcedure extends AnyMutationProcedure ? {
-      mutate: <
-      TData = inferProcedureOutput<TProcedure>,
-      Transform extends _Transform<TData> = _Transform<TData, TData>,
-      PickKeys extends KeyOfRes<Transform> = KeyOfRes<Transform>,
-     >(
-        input: inferProcedureInput<TProcedure>,
-        opts?: AsyncDataOptions<TData, Transform, PickKeys>,
-      ) => AsyncData<PickFrom<ReturnType<Transform>, PickKeys>, TRPCClientErrorLike<TProcedure>>
-    } : never
-
-/**
-* @internal
-*/
-export type DecoratedProcedureRecord<
- TProcedures extends ProcedureRouterRecord,
- TPath extends string = '',
-> = {
-  [TKey in keyof TProcedures]: TProcedures[TKey] extends AnyRouter
-    ? DecoratedProcedureRecord<
-       TProcedures[TKey]['_def']['record'],
-       `${TPath}${TKey & string}.`
-     >
-    : TProcedures[TKey] extends AnyProcedure
-      ? DecorateProcedure<TProcedures[TKey], `${TPath}${TKey & string}`>
-      : never;
-}
-
 export function createTRPCNuxtProxyClient<TRouter extends AnyRouter>(opts: CreateTRPCClientOptions<TRouter>) {
   const client = createTRPCProxyClient(opts)
 
diff --git a/src/runtime/types.ts b/src/runtime/types.ts
new file mode 100644
index 0000000..cf049a1
--- /dev/null
+++ b/src/runtime/types.ts
@@ -0,0 +1,61 @@
+import type { TRPCClientErrorLike } from '@trpc/client'
+import type {
+  AnyMutationProcedure,
+  AnyProcedure,
+  AnyQueryProcedure,
+  AnyRouter,
+  ProcedureRouterRecord,
+  inferProcedureInput,
+  inferProcedureOutput,
+} from '@trpc/server'
+import type {
+  AsyncData,
+  AsyncDataOptions,
+  KeyOfRes,
+  PickFrom,
+  _Transform,
+} from 'nuxt/dist/app/composables/asyncData'
+
+/**
+ * @internal
+ */
+export type DecorateProcedure<
+ TProcedure extends AnyProcedure,
+ TPath extends string,
+> = TProcedure extends AnyQueryProcedure
+  ? {
+      query: <
+      TData = inferProcedureOutput<TProcedure>,
+      Transform extends _Transform<TData> = _Transform<TData, TData>,
+      PickKeys extends KeyOfRes<Transform> = KeyOfRes<Transform>,
+     >(
+        input: inferProcedureInput<TProcedure>,
+        opts?: AsyncDataOptions<TData, Transform, PickKeys>,
+      ) => AsyncData<PickFrom<ReturnType<Transform>, PickKeys>, TRPCClientErrorLike<TProcedure>>
+    } : TProcedure extends AnyMutationProcedure ? {
+      mutate: <
+      TData = inferProcedureOutput<TProcedure>,
+      Transform extends _Transform<TData> = _Transform<TData, TData>,
+      PickKeys extends KeyOfRes<Transform> = KeyOfRes<Transform>,
+     >(
+        input: inferProcedureInput<TProcedure>,
+        opts?: AsyncDataOptions<TData, Transform, PickKeys>,
+      ) => AsyncData<PickFrom<ReturnType<Transform>, PickKeys>, TRPCClientErrorLike<TProcedure>>
+    } : never
+
+/**
+* @internal
+*/
+export type DecoratedProcedureRecord<
+ TProcedures extends ProcedureRouterRecord,
+ TPath extends string = '',
+> = {
+  [TKey in keyof TProcedures]: TProcedures[TKey] extends AnyRouter
+    ? DecoratedProcedureRecord<
+       TProcedures[TKey]['_def']['record'],
+       `${TPath}${TKey & string}.`
+     >
+    : TProcedures[TKey] extends AnyProcedure
+      ? DecorateProcedure<TProcedures[TKey], `${TPath}${TKey & string}`>
+      : never;
+}