import type { PluginBuild } from "./deps.js";
import { AssetLoader, LoaderOptions } from "./asset-loader.js";
export declare class CSSLoader extends AssetLoader {
    extension: RegExp;
    constructor(build: PluginBuild, options?: LoaderOptions, specifier?: string, minifier?: unknown);
    load(input: string, filename: string): Promise<string>;
}