refactor(types): mark internal API exports and exclude from d.ts

BREAKING CHANGE: Internal APIs are now excluded from type decalrations.

packages/runtime-core/src/component.ts

@@ -417,7 +417,11 @@ type CompileFunction = (
 
 let compile: CompileFunction | undefined
 
-// exported method uses any to avoid d.ts relying on the compiler types.
+/**
+ * For runtime-dom to register the compiler.
+ * Note the exported method uses any to avoid d.ts relying on the compiler types.
+ * @internal
+ */
 export function registerRuntimeCompiler(_compile: any) {
   compile = _compile
 }