import { type S3ClientConfig } from '@aws-sdk/client-s3';
import { Bucket } from './Bucket';
import type { BucketList, CORSPolicy, CloudflareR2Config } from './types';
export declare class R2 {
    private readonly config;
    private readonly r2;
    readonly endpoint: S3ClientConfig['endpoint'];
    constructor(config: CloudflareR2Config, overrides?: S3ClientConfig);
    /**
     * Returns a `Bucket` object that represents the specified storage bucket.
     * @param bucketName The name of the storage bucket.
     * @returns A `Bucket` object that represents the specified storage bucket.
     */
    bucket(bucketName: string): Bucket;
    /**
     * Returns a list of all buckets owned by the authenticated sender of the request.
     * @async
     */
    listBuckets(): Promise<BucketList>;
    /**
     * Determines if a bucket exists and you have permission to access it.
     * @async
     * @param bucketName
     */
    bucketExists(bucketName: string): Promise<boolean>;
    /**
     * Create a new R2 bucket and returns `Bucket` object.
     * @async
     * @param bucketName
     */
    createBucket(bucketName: string): Promise<Bucket>;
    /**
     * Delete an existing bucket. Returns true if success or throws error if fail.
     * @async
     * @param bucketName
     */
    deleteBucket(bucketName: string): Promise<boolean>;
    /**
     * Returns Cross-Origin Resource Sharing (CORS) policies of the bucket.
     * @async
     */
    getBucketCors(bucketName: string): Promise<CORSPolicy[]>;
    /**
     * Returns the region the bucket resides in. For `Cloudflare R2`, the region is always `auto`.
     * @async
     * @param bucketName
     */
    getBucketRegion(bucketName: string): Promise<string>;
}