/**
 * Fjall S3 storage configuration for Payload CMS.
 *
 * Wraps @payloadcms/storage-s3 with AWS Lambda-specific defaults:
 * - Uses MEDIA_BUCKET_NAME environment variable from Fjall infrastructure
 * - Enables/disables local storage based on environment
 * - Uses AWS_REGION for automatic region configuration
 */
import type { Plugin } from "payload";
/**
 * Options for the Fjall S3 storage plugin.
 */
export interface AwsS3StorageOptions {
    /**
     * Collection slugs to enable S3 storage for.
     * @default ['media']
     */
    collections?: string[];
    /**
     * S3 key prefix for uploaded files.
     * @default 'media'
     */
    prefix?: string;
    /**
     * Custom bucket name. If not provided, uses MEDIA_BUCKET_NAME env var.
     */
    bucket?: string;
    /**
     * AWS region. If not provided, uses AWS_REGION env var.
     * @default 'us-east-1'
     */
    region?: string;
}
/**
 * Create an S3 storage plugin configured for Fjall/AWS Lambda.
 *
 * This plugin is always registered so Payload includes S3 client components
 * in the importMap at build time. In local development (when MEDIA_BUCKET_NAME
 * is not set), uploads fall back to disk storage.
 *
 * @example
 * ```typescript
 * import { awsS3Storage } from '@fjall/payload'
 *
 * export const plugins: Plugin[] = [
 *   awsS3Storage(),
 *   // other plugins...
 * ]
 * ```
 */
export declare function awsS3Storage(options?: AwsS3StorageOptions): Plugin;