packages/kit/src/exports/public.d.ts
has:
import 'svelte'; // pick up `declare module "*.svelte"`
import 'vite/client'; // pick up `declare module "*.jpg"`, etc.
import '../types/ambient.js';
import { CompileOptions } from 'svelte/types/compiler/interfaces';
// ...
If you upgrade to the latest dts-buddy
as we're doing in sveltejs/kit#10187 then in packages/kit/types/index.d.ts
you get:
declare module '@sveltejs/kit' {
// !! The imports here are gone
import type { CompileOptions } from 'svelte/types/compiler/interfaces';
import type { PluginOptions } from '@sveltejs/vite-plugin-svelte';
// ...