import type * as ExpoAudio from 'expo-audio';
import type * as ExpoAV from 'expo-av';
import type * as ExpoDocumentPicker from 'expo-document-picker';
import type * as ExpoFs from 'expo-file-system';
import type * as ExpoImagePicker from 'expo-image-picker';
import type * as ExpoVideo from 'expo-video';
import type { FilePickerResponse } from '../platform/types';
interface ExpoFileSystemLegacy {
    documentDirectory: string | null;
    cacheDirectory: string | null;
    getInfoAsync(fileUri: string, options?: unknown): Promise<ExpoFs.FileInfo>;
    downloadAsync(uri: string, fileUri: string, options?: unknown): Promise<{
        uri: string;
    }>;
}
interface ExpoDirectory {
    uri: string;
}
interface ExpoFileSystemNew {
    File: {
        new (...uris: (string | unknown)[]): {
            info(options?: unknown): ExpoFs.FileInfo;
        };
        downloadFileAsync(url: string, destination: unknown, options?: unknown): Promise<{
            uri: string;
        }>;
    };
    Directory: new (...uris: (string | unknown)[]) => ExpoDirectory;
    Paths: {
        document: ExpoDirectory;
        cache: ExpoDirectory;
    };
}
type ExpoFileSystemModule = ExpoFileSystemLegacy | ExpoFileSystemNew | typeof ExpoFs;
declare const expoBackwardUtils: {
    imagePicker: {
        isCanceled(result: ExpoImagePicker.ImagePickerResult): boolean;
        toFilePickerResponses(result: ExpoImagePicker.ImagePickerResult, fsModule: typeof ExpoFs): Promise<FilePickerResponse[]>;
    };
    documentPicker: {
        isCanceled(result: ExpoDocumentPicker.DocumentPickerResult): boolean;
        toFilePickerResponses(result: ExpoDocumentPicker.DocumentPickerResult): Promise<FilePickerResponse[]>;
    };
    expoAV: {
        isLegacyAVModule(module: ExpoAudioModule | ExpoVideoModule): module is typeof ExpoAV;
        isAudioModule(module: ExpoAudioModule): module is typeof ExpoAudio;
        isVideoModule(module: ExpoVideoModule): module is typeof ExpoVideo;
    };
    toFileSize(info: ExpoFs.FileInfo): number;
    fileSystem: {
        isLegacyModule(fsModule: ExpoFileSystemModule): fsModule is ExpoFileSystemLegacy;
        getFileInfo(fsModule: ExpoFileSystemModule, uri: string): Promise<ExpoFs.FileInfo>;
        getDocumentDirectory(fsModule: ExpoFileSystemModule): string | null;
        getCacheDirectory(fsModule: ExpoFileSystemModule): string | null;
        downloadFile(fsModule: ExpoFileSystemModule, url: string, localUri: string): Promise<{
            uri: string;
        }>;
    };
};
export type ExpoAudioModule = typeof ExpoAV | typeof ExpoAudio;
export type ExpoVideoModule = typeof ExpoAV | typeof ExpoVideo;
export default expoBackwardUtils;