import { PreprocessorGroup } from 'svelte/types/compiler/preprocess/types';
import { SettingsOptions } from '../utils/types.js';
export declare type TPreprocess = PreprocessorGroup | PreprocessorGroup[] | false;
export declare type TSvelteHandler = {
    config: SettingsOptions;
    preprocess: TPreprocess;
};
export declare function getSvelteConfig(elderConfig: SettingsOptions): Promise<TPreprocess>;
export declare function getPackagesWithSvelte(pkg: any, elderConfig: SettingsOptions): Promise<any[]>;
declare const esbuildBundler: (settings: SettingsOptions) => Promise<[import("esbuild").BuildResult, import("esbuild").BuildResult]>;
export default esbuildBundler;