/**
 * @file FID
 * @author kaivean
 */
import { Module, FIDCB } from '../lib/interface';
export default class FID implements Module {
    private observer;
    private cb;
    private finalValue;
    constructor();
    listenFID(cb: FIDCB): void;
    callCB(): void;
    destroy(): void;
    private handle;
}