fix: dts test

Author: lishaobos

test/__snapshots__/dts.test.ts.snap

@@ -8,6 +8,8 @@ exports[`dts > components only 1`] = `
 // Read more: https://github.com/vuejs/core/pull/3399
 export {}
 
+import { GlobalComponents } from 'vue'
+
 declare module 'vue' {
   export interface GlobalComponents {
     RouterLink: typeof import('vue-router')['RouterLink']
@@ -30,6 +32,8 @@ exports[`dts > directive only 1`] = `
 // Read more: https://github.com/vuejs/core/pull/3399
 export {}
 
+import { GlobalComponents } from 'vue'
+
 declare module 'vue' {
   export interface ComponentCustomProperties {
     vLoading: typeof import('test/directive/Loading')['default']
@@ -50,6 +54,8 @@ exports[`dts > getDeclaration 1`] = `
 // Read more: https://github.com/vuejs/core/pull/3399
 export {}
 
+import { GlobalComponents } from 'vue'
+
 declare module 'vue' {
   export interface GlobalComponents {
     RouterLink: typeof import('vue-router')['RouterLink']
@@ -112,6 +118,8 @@ exports[`dts > vue 2.7 components only 1`] = `
 // Read more: https://github.com/vuejs/core/pull/3399
 export {}
 
+import { GlobalComponents } from 'vue'
+
 declare module 'vue' {
   export interface GlobalComponents {
     RouterLink: typeof import('vue-router')['RouterLink']
@@ -134,6 +142,8 @@ exports[`dts > writeDeclaration - keep unused 1`] = `
 // Read more: https://github.com/vuejs/core/pull/3399
 export {}
 
+import { GlobalComponents } from 'vue'
+
 declare module 'vue' {
   export interface GlobalComponents {
     RouterLink: typeof import('vue-router')['RouterLink']
@@ -162,6 +172,8 @@ exports[`dts > writeDeclaration 1`] = `
 // Read more: https://github.com/vuejs/core/pull/3399
 export {}
 
+import { GlobalComponents } from 'vue'
+
 declare module 'vue' {
   export interface GlobalComponents {
     RouterLink: typeof import('vue-router')['RouterLink']