/**
 * Vercel Blob implementation of StorageProvider.
 *
 * Legacy backend retained during the GAP-208 Cloudflare R2 cutover so the
 * media-upload path can fall back to Vercel Blob when R2 is not configured.
 * Wraps @vercel/blob's put/del/list behind the provider-agnostic
 * StorageProvider interface. Cloudflare R2 (r2.ts) is the canonical backend;
 * this provider is removed once the Blob store is decommissioned.
 *
 * NOTE: distinct from vercel-blob.ts in this directory, which is the legacy
 * Payload-style upload *plugin* still wired into apps/admin's
 * revealui.config.ts. This file is the StorageProvider the createStorage
 * factory returns for the 'vercel-blob' tag.
 *
 * Server-only. Do NOT import from client-side code or edge runtime.
 */
import type { ListOptions, ListResult, PutOptions, PutResult, StorageProvider, VercelBlobConfig } from './types.js';
declare class VercelBlobProvider implements StorageProvider {
    readonly provider = "vercel-blob";
    private readonly token;
    constructor(config: VercelBlobConfig);
    put(key: string, data: Blob | ArrayBuffer | Uint8Array | ReadableStream<Uint8Array>, opts?: PutOptions): Promise<PutResult>;
    del(keyOrUrl: string): Promise<void>;
    list(opts?: ListOptions): Promise<ListResult>;
}
export declare function createVercelBlobProvider(config: VercelBlobConfig): StorageProvider;
export type { VercelBlobProvider };
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