import type * as Webpack from 'webpack';
type CssModuleType = {
    auto: boolean | RegExp | ((resourcePath: string) => boolean);
    exportGlobals: boolean;
    exportLocalsConvention: 'asIs' | 'camelCase' | 'camelCaseOnly' | 'dashes' | 'dashesOnly' | ((name: string) => string);
    exportOnlyLocals: boolean;
    getLocalIdent: (context: Webpack.LoaderContext<unknown>, localIdentName: string, exportName: string, options: object) => string;
    localIdentContext: string;
    localIdentHashDigest: string;
    localIdentHashFunction: string;
    localIdentHashSalt: string;
    localIdentName: string;
    localIdentRegExp: string | RegExp;
    mode: 'local' | 'global' | 'pure' | 'icss' | ((resourcePath: string) => 'local' | 'global' | 'pure' | 'icss');
    namedExport: boolean;
};
export declare function isCssModule(rule: Webpack.RuleSetRule): rule is Webpack.RuleSetRule & {
    options: {
        modules: CssModuleType;
    };
};
export declare function isCssLoader(rule: Webpack.RuleSetRule): boolean;
export declare function isFSCache(cache: Webpack.Configuration['cache']): cache is Webpack.FileCacheOptions;
export {};