import { type PutOptions, type StorageAdapter, type StoredObject } from './types.js';
/**
 * Structural type for the R2 Workers binding — only the surface actually used, declared locally so
 * `@taprootcms/core` does not need `@cloudflare/workers-types` to be installed downstream.
 */
export interface R2BucketLike {
    put(key: string, value: ArrayBuffer | Uint8Array, options?: {
        httpMetadata?: {
            contentType?: string;
            cacheControl?: string;
        };
    }): Promise<unknown>;
    get(key: string): Promise<{
        arrayBuffer(): Promise<ArrayBuffer>;
    } | null>;
    delete(key: string): Promise<void>;
    head(key: string): Promise<unknown | null>;
}
export interface R2StorageConfig {
    bucket: R2BucketLike;
    /**
     * Public base URL the bucket is served from — either an R2 custom domain or a Worker route that
     * proxies it. Without one, uploaded media has no reachable URL.
     */
    publicBaseUrl: string;
}
/** R2-backed storage for the Cloudflare Workers deployment target. */
export declare class R2StorageAdapter implements StorageAdapter {
    #private;
    readonly name: "r2";
    constructor(config: R2StorageConfig);
    put(key: string, body: Uint8Array | ArrayBuffer, options?: PutOptions): Promise<StoredObject>;
    get(key: string): Promise<Uint8Array | undefined>;
    delete(key: string): Promise<void>;
    exists(key: string): Promise<boolean>;
    publicUrl(key: string): string;
}