/**
 * Fjall default configuration helpers for Payload CMS.
 *
 * Provides sensible defaults for AWS Lambda deployments:
 * - CORS configuration based on environment
 * - CSRF configuration for security
 * - Environment detection helpers
 */
/**
 * Check if running during Next.js build phase.
 *
 * During build, there's no database connection available. Use this to skip
 * database queries in generateStaticParams and other build-time code.
 *
 * @example
 * ```typescript
 * import { isBuildTime } from '@fjall/payload'
 *
 * export async function generateStaticParams() {
 *   if (isBuildTime()) {
 *     return [] // Skip static generation - pages render on-demand
 *   }
 *   const payload = await getPayload({ config: configPromise })
 *   // ... fetch data
 * }
 * ```
 */
export declare function isBuildTime(): boolean;
/**
 * Check if running in a production AWS environment.
 *
 * Detection is based on the presence of MEDIA_BUCKET_NAME which is set
 * by Fjall infrastructure in Lambda environments.
 */
export declare function isProduction(): boolean;
/**
 * Check if running in AWS Lambda.
 *
 * Uses AWS_LAMBDA_FUNCTION_NAME which is set by the Lambda runtime.
 */
export declare function isLambda(): boolean;
/**
 * Fjall default configuration spread for Payload buildConfig.
 *
 * Provides:
 * - CORS: Locked to NEXT_PUBLIC_SERVER_URL in production, permissive otherwise
 * - CSRF: Enabled in production with NEXT_PUBLIC_SERVER_URL
 *
 * @example
 * ```typescript
 * import { fjallDefaults } from '@fjall/payload'
 *
 * export default buildConfig({
 *   ...fjallDefaults(),
 *   // your config...
 * })
 * ```
 */
export declare function fjallDefaults(): {
    cors: string[];
    csrf: string[];
};
/**
 * Get the conditional staticDir configuration for Media collections.
 *
 * In production (Lambda), S3 storage is used and staticDir should be omitted.
 * In local development, uploads go to the local filesystem.
 *
 * @param localPath - The local path for development (e.g., './public/media')
 * @returns Object with staticDir for local dev, empty object for production
 *
 * @example
 * ```typescript
 * import { conditionalStaticDir } from '@fjall/payload'
 * import path from 'path'
 *
 * export const Media: CollectionConfig = {
 *   slug: 'media',
 *   upload: {
 *     ...conditionalStaticDir(path.resolve(__dirname, '../../public/media')),
 *     // other upload config...
 *   },
 * }
 * ```
 */
export declare function conditionalStaticDir(localPath: string): {
    staticDir: string;
} | Record<string, never>;