/**
 * Dropbox Storage Provider for Vana SDK
 *
 * Implements the storage interface for Dropbox using its API.
 */
import { type StorageProvider, type StorageUploadResult, type StorageFile, type StorageListOptions, type StorageProviderConfig } from "../index.js";
export interface DropboxConfig {
    /** OAuth2 access token */
    accessToken: string;
    /** Optional refresh token for token renewal */
    refreshToken?: string;
    /** OAuth2 client ID */
    clientId?: string;
    /** OAuth2 client secret */
    clientSecret?: string;
    /** Root path for uploads (defaults to '/Vana Data') */
    rootPath?: string;
}
/**
 * Dropbox Storage Provider
 *
 * @remarks
 * Implements the storage interface for Dropbox. Requires OAuth2 authentication.
 *
 * @category Storage
 */
export declare class DropboxStorage implements StorageProvider {
    private config;
    private readonly apiUrl;
    private readonly contentUrl;
    private readonly rootPath;
    constructor(config: DropboxConfig);
    upload(file: Blob, filename?: string): Promise<StorageUploadResult>;
    download(url: string): Promise<Blob>;
    list(options?: StorageListOptions): Promise<StorageFile[]>;
    delete(url: string): Promise<boolean>;
    getConfig(): StorageProviderConfig;
    private createSharedLink;
}