import * as ffi from 'ffi-napi';
import 'reflect-metadata';
import { IPlugin } from './plugins';
/**
 * Plugin to automatically call node-ffi async feature when function
 * returns a Promise
 */
export declare class PromisePlugin implements Partial<IPlugin> {
    private readonly wrapPromise;
    constructor(target: object, method: string);
    /**
     * @inheritDoc
     */
    wrapFunction(func: ffi.ForeignFunction): any;
}