export interface IsPathFolderParams {
    s3Config: any;
    bucket: string;
    key: string;
    expectedBucketOwner?: string;
}
/**
 * Determines if a given S3 key represents a folder by checking if objects exist with that prefix.
 *
 * @param params - Configuration object for the folder check
 * @returns Promise that resolves to true if the key represents a folder, false otherwise
 */
export declare const isPathFolder: (params: IsPathFolderParams) => Promise<boolean>;