import type { QuickJSContext, QuickJSHandle } from 'quickjs-emscripten-core';
export default function unmarshalPromise<T = unknown>(ctx: QuickJSContext, handle: QuickJSHandle, 
/** marshal returns handle and boolean indicates that the handle should be disposed after use */
marshal: (value: unknown) => [QuickJSHandle, boolean], preUnmarshal: <T>(target: T, handle: QuickJSHandle) => T | undefined): Promise<T> | undefined;