import { FileComponentSchema } from '@open-formulieren/types';
import { ArrayHelpers } from 'formik';
import { FileRejection } from 'react-dropzone';
import { FormikFileUpload } from './types';
type FileArrayHelpers = ArrayHelpers<FormikFileUpload[]>;
/**
 * Return value for the `useFileUploads` hook.
 */
interface UseFileUploads {
    /**
     * Callback to invoke when files are added to the upload input, forward it to the
     * `UploadInput` component.
     */
    onFilesAdded: (files: (File | FileRejection)[]) => Promise<void>;
    /**
     * Callback to invoke when a file is removed from the uploaded files list.
     *
     * Takes the unique ID of the file, which is either the `clientId` or a server-side
     * unique identifier if `clientId` is absent.
     */
    onFileRemove: (uniqueId: string) => Promise<void>;
    /**
     * Map of `uniqueId` to error message, originating from react-dropzone.
     *
     * These errors are not tracked in the Formik errors state, because they are produced
     * *before* we can add the upload to the Formik state.
     */
    localUploadErrors: Record<string, string>;
}
/**
 * Implement the core file upload (drop/select) handling logic.
 *
 * Provides a callback for the `onFilesAdded` handler and manages the local error state
 * of file uploads, produced by react-dropzone.
 */
export declare const useFileUploads: (name: string, componentDefinition: FileComponentSchema, arrayHelpers: FileArrayHelpers) => UseFileUploads;
export {};