import type { QuickJSContext, QuickJSDeferredPromise, QuickJSHandle } from 'quickjs-emscripten-core';
export type Options = {
    ctx: QuickJSContext;
    unmarshal: (handle: QuickJSHandle) => unknown;
    isMarshalable?: (target: unknown) => boolean | 'json';
    find: (target: unknown) => QuickJSHandle | undefined;
    pre: (target: unknown, handle: QuickJSHandle | QuickJSDeferredPromise, mode: true | 'json' | undefined) => QuickJSHandle | undefined;
    preApply?: (target: Function, thisArg: unknown, args: unknown[]) => any;
    custom?: Iterable<(obj: unknown, ctx: QuickJSContext) => QuickJSHandle | undefined>;
};
export declare function marshal(target: unknown, options: Options): QuickJSHandle;
export default marshal;