/** Minimal surface of `@react-native-async-storage/async-storage`'s default export. */
export interface AsyncStorageLike {
    getItem(key: string): Promise<string | null>;
    setItem(key: string, value: string): Promise<void>;
    removeItem(key: string): Promise<void>;
}
/** Minimal surface of `expo-file-system`'s legacy string-based file API. */
export interface FileSystemLike {
    documentDirectory: string | null;
    writeAsStringAsync(fileUri: string, contents: string, options?: {
        encoding?: 'utf8' | 'base64';
    }): Promise<void>;
}
/** Minimal surface of `expo-sharing`. */
export interface SharingLike {
    shareAsync(uri: string): Promise<void>;
}
/** Minimal surface of `expo-web-browser`. */
export interface WebBrowserLike {
    openAuthSessionAsync(url: string): Promise<{
        type: string;
    }>;
}