fix: typegen

packages/svelte/types/index.d.ts

@@ -313,6 +313,8 @@ declare module 'svelte' {
 	type NotFunction<T> = T extends Function ? never : T;
 
 	// Utility type for ensuring backwards compatibility on a type level: If there's a default slot, add 'children' to the props if it doesn't exist there already
+	// if you're curious why this is here and not declared as an unexported type from `public.d.ts`, try putting it there
+	// and see what happens in the output `index.d.ts` -- it breaks, presumably because of a TypeScript compiler bug.
 	type PropsWithChildren<Props, Slots> = Props &
 		(Props extends { children?: any }
 			? {}
@@ -1848,6 +1850,8 @@ declare module 'svelte/legacy' {
 					};
 			  };
 	// Utility type for ensuring backwards compatibility on a type level: If there's a default slot, add 'children' to the props if it doesn't exist there already
+	// if you're curious why this is here and not declared as an unexported type from `public.d.ts`, try putting it there
+	// and see what happens in the output `index.d.ts` -- it breaks, presumably because of a TypeScript compiler bug.
 	type PropsWithChildren<Props, Slots> = Props &
 		(Props extends { children?: any }
 			? {}