declare class CloudflareR2Client {
    private accountId;
    bucket: string;
    private client;
    constructor(options: {
        accessKeyId: string;
        secretAccessKey: string;
        accountId: string;
        bucket: string;
    });
    get endpoint(): string;
    /**
     * Generates a signed URL for a given key.
     *
     * @returns A signed URL as a string.
     */
    getSignedUrl(key: string, { expiry }?: {
        expiry?: number | undefined;
    }): Promise<string>;
    /**
     * Retrieves a file for a given key.
     *
     * @returns A File object that includes the blob data and the filename.
     */
    get(key: string): Promise<File>;
    /**
     * Uploads a file or a blob to a given key.
     *
     * @returns void
     */
    put(key: string, data: File | Blob): Promise<void>;
}

export { CloudflareR2Client };