import 'promise-polyfill/dist/polyfill';
import { EventEmitter } from 'eventemitter3';
import FlatfileResults from './results';
import CustomerObject from './obj.customer';
import LoadOptionsObject from './obj.load-options';
import { IDataHookRecord } from './obj.validation-response';
export default class FlatfileImporter extends EventEmitter {
    static Promise: PromiseConstructor;
    private static MOUNT_URL;
    /**
     * Promise that resolves when the handshake is completed between Flatfile.io and the adapter
     */
    $ready: Promise<any>;
    private apiKey;
    private options;
    private customer?;
    private uuid;
    private handshake;
    private $resolver;
    private $rejecter;
    private $validatorCallback?;
    private $recordHook?;
    private $fieldHooks;
    constructor(apiKey: string, options: object, customer?: CustomerObject);
    /**
     * This will by default always be `https://www.flatfile.io/importer/:key` unless you are
     * an enterprise customer that is self-hosting the application. In which case, this
     * will be the URL of your enterprise installd Flatfile importer index page
     */
    static setMountUrl(url: string): void;
    /**
     * This allows you to opt into or out of specific versions of the Flatfile SDK
     */
    static setVersion(version: 1 | 2): void;
    /**
     * Call open() to activate the importer overlay dialog.
     */
    open(options?: {}): void;
    /**
     * Use load() when you want a promise returned. This is necessary if you want to use
     * async/await for an es6 implementation
     * @deprecated
     */
    load(): Promise<Array<Object>>;
    /**
     * Use requestDataFromUser() when you want a promise returned. This is necessary if you want to use
     * async/await for an es6 implementation
     */
    requestDataFromUser(options?: LoadOptionsObject): Promise<FlatfileResults>;
    /**
     * This will display a progress indicator inside the importer if you anticipate that handling
     * the output of the importer may take some time.
     */
    displayLoader(msg?: string): void;
    /**
     * This will display a dialog inside of the importer with an error icon and the message you
     * pass. The user will be able to acknowledge the error and be returned to the import data
     * spreadsheet to ideally fix any issues or attempt submitting again.
     * @deprecated
     */
    displayError(msg: string): void;
    /**
     * This will display a dialog inside of the importer with an error icon and the message you
     * pass. The user will be able to acknowledge the error and be returned to the import data
     * spreadsheet to ideally fix any issues or attempt submitting again.
     */
    requestCorrectionsFromUser(msg: any): Promise<FlatfileResults>;
    /**
     * This will display a dialog inside of the importer with a success icon and the message you
     * pass.
     */
    displaySuccess(msg: string): void;
    /**
     * This will fetch the data from the importer
     */
    getMeta(): object;
    /**
     * Set the customer information for this import
     */
    setCustomer(customer: CustomerObject): void;
    /**
     * Set the customer information for this import
     */
    registerValidatorCallback(callback: FlatfileImporter['$validatorCallback']): void;
    /**
     * Set the customer information for this import
     */
    registerRecordHook(callback: FlatfileImporter['$recordHook']): void;
    /**
     * Set the customer information for this import
     */
    registerFieldHook(field: string, cb: FieldHookCallback): void;
    /**
     * Call close() from the parent window in order to hide the importer. You can do this after
     * handling the import callback so your users don't have to click the confirmation button
     */
    close(): void;
    private handleClose;
    private initialize;
    private $generateUuid;
    private responsePromise;
}
export declare type Scalar = string | number | boolean | null | undefined;
export declare type FieldHookCallback = (values: [Scalar, number][], meta: any) => [IDataHookRecord, number][] | Promise<[IDataHookRecord, number][]>;