import type { ExtendedLoaderContext } from 'loader-runner';
import type { Api } from '../../../types';
import type { BundlessConfig } from '../../config';
declare type SourceMap = string | null | undefined;
export interface LoaderOutput {
    content: string;
    options: {
        ext?: string;
        declaration?: boolean;
        map?: SourceMap;
    };
}
export interface LoaderContext {
    /**
     * final bundless config
     */
    config: BundlessConfig;
    /**
     * project package.json
     */
    pkg: Api['pkg'];
}
/**
 * normal loader type (base on webpack loader)
 */
export declare type BundlessLoader = (this: Omit<ExtendedLoaderContext, 'async'> & LoaderContext & {
    cwd: string;
    itemDistAbsPath: string;
    /**
     * configure output options for current file
     */
    setOutputOptions: (options: LoaderOutput['options']) => void;
    /**
     * complete async method type
     */
    async: () => (err: Error | null, result?: LoaderOutput['content']) => void;
}, content: string) => LoaderOutput['content'] | void;
declare type JSTransformerResult = [LoaderOutput['content'], SourceMap?];
/**
 * bundless transformer type
 */
export declare type JSTransformer = (this: LoaderContext & {
    paths: {
        cwd: string;
        fileAbsPath: string;
        itemDistAbsPath: string;
    };
}, content: Parameters<BundlessLoader>[0]) => JSTransformerResult | Promise<JSTransformerResult>;
export {};