import type { ReadableStream } from '@cloudflare/workers-types/experimental';
import { type H3Event } from 'h3';
import type { BlobListResult, BlobMultipartUpload, HandleMPUResponse, BlobMultipartOptions, BlobUploadOptions, BlobPutOptions, BlobEnsureOptions, BlobObject, BlobListOptions, BlobCredentialsOptions, BlobCredentials } from '@nuxthub/core';
interface HubBlob {
    /**
     * List all the blobs in the bucket (metadata only).
     *
     * @param options The list options
     *
     * @example ```ts
     * const { blobs } = await hubBlob().list({ limit: 10 })
     * ```
     */
    list(options?: BlobListOptions): Promise<BlobListResult>;
    /**
     * Serve the blob from the bucket.
     *
     * @param event The H3 event (needed to set headers for the response)
     * @param pathname The pathname of the blob
     *
     * @example ```ts
     * export default eventHandler(async (event) => {
     *   return hubBlob().serve(event, '/my-image.jpg')
     * })
     * ```
     */
    serve(event: H3Event, pathname: string): Promise<ReadableStream<any>>;
    /**
     * Put a new blob into the bucket.
     *
     * @param pathname The pathname of the blob
     * @param body The blob content
     * @param options The put options
     *
     * @example ```ts
     * const blob = await hubBlob().put('/my-image.jpg', file)
     * ```
     */
    put(pathname: string, body: string | ReadableStream<any> | ArrayBuffer | ArrayBufferView | Blob, options?: BlobPutOptions): Promise<BlobObject>;
    /**
     * Get the blob metadata from the bucket.
     *
     * @param pathname The pathname of the blob
     *
     * @example ```ts
     * const blobMetadata = await hubBlob().head('/my-image.jpg')
     * ```
     */
    head(pathname: string): Promise<BlobObject>;
    /**
     * Get the blob body from the bucket.
     *
     * @param pathname The pathname of the blob
     *
     * @example ```ts
     * const blob = await hubBlob().get('/my-image.jpg')
     * ```
     */
    get(pathname: string): Promise<Blob | null>;
    /**
     * Delete the blob from the bucket.
     *
     * @param pathnames The pathname of the blob
     *
     * @example ```ts
     * await hubBlob().del('/my-image.jpg')
     * ```
     */
    del(pathnames: string | string[]): Promise<void>;
    /**
     * Delete the blob from the bucket.
     *
     * @param pathnames The pathname of the blob
     *
     * @example ```ts
     * await hubBlob().delete('/my-image.jpg')
     * ```
     */
    delete(pathnames: string | string[]): Promise<void>;
    /**
     * Create a multipart upload.
     *
     * @see https://hub.nuxt.com/docs/features/blob#createmultipartupload
     */
    createMultipartUpload(pathname: string, options?: BlobMultipartOptions): Promise<BlobMultipartUpload>;
    /**
     * Get the specified multipart upload.
     *
     * @see https://hub.nuxt.com/docs/features/blob#resumemultipartupload
     */
    resumeMultipartUpload(pathname: string, uploadId: string): BlobMultipartUpload;
    /**
     * Handle the multipart upload request.
     * Make sure your route includes `[action]` and `[...pathname]` params.
     *
     * @see https://hub.nuxt.com/docs/features/blob#handlemultipartupload
     */
    handleMultipartUpload(event: H3Event, options?: BlobMultipartOptions): Promise<HandleMPUResponse>;
    /**
     * Handle a file upload.
     *
     * @param event The H3 event (needed to set headers for the response)
     * @param options The upload options
     *
     * @see https://hub.nuxt.com/docs/features/blob#handleupload
     */
    handleUpload(event: H3Event, options?: BlobUploadOptions): Promise<BlobObject[]>;
    /**
     * Creates temporary access credentials that can be optionally scoped to prefixes or objects.
     *
     * Useful to create a signed url to upload directory to R2 from client-side.
     *
     * Only available in production or in development with `--remote` flag.
     *
     * @example ```ts
     * const { accountId, bucketName, accessKeyId, secretAccessKey, sessionToken } = await hubBlob().createCredentials()
     * ```
     */
    createCredentials(options?: BlobCredentialsOptions): Promise<BlobCredentials>;
}
/**
 * Access the Blob storage.
 *
 * @example ```ts
 * const blob = hubBlob()
 * const { blobs } = await blob.list()
 * ```
 *
 * @see https://hub.nuxt.com/docs/features/blob
 */
export declare function hubBlob(): HubBlob;
/**
 * Access the remote Blob storage.
 *
 * @param projectUrl The project URL (e.g. https://my-deployed-project.nuxt.dev)
 * @param secretKey The secret key to authenticate to the remote endpoint
 * @param headers The headers to send with the request to the remote endpoint
 *
 * @example ```ts
 * const blob = proxyHubBlob('https://my-deployed-project.nuxt.dev', 'my-secret-key')
 * const { blobs } = await blob.list()
 * ```
 *
 * @see https://hub.nuxt.com/docs/features/blob
 */
export declare function proxyHubBlob(projectUrl: string, secretKey?: string, headers?: HeadersInit): HubBlob;
/**
 * Ensure the blob is valid and meets the specified requirements.
 *
 * @param blob The blob to check
 * @param options The options to check against
 * @param options.maxSize The maximum size of the blob (e.g. '1MB')
 * @param options.types The allowed types of the blob (e.g. ['image/png', 'application/json', 'video'])
 *
 * @throws If the blob does not meet the requirements
 */
export declare function ensureBlob(blob: Blob, options?: BlobEnsureOptions): void;
export {};