import type { WebpackGeneratorUserCssSource } from './sources.js';
export declare function isWebpackTailwindImportRequest(request: string | undefined): boolean | undefined;
export declare function removeWebpackGeneratorNonTailwindImports(source: string | undefined): string | undefined;
export declare function removeWebpackUserCssFallbackImports(source: string): string;
export declare function normalizeWebpackUserCssFallbackSource(source: string): string;
export declare function isWebpackCssSourceRepresentedInAsset(rawSource: string, sourceCss: string | undefined): boolean;
export declare function createWebpackGeneratorCssSource(file: string | undefined, css: string | undefined): {
    file: string;
    base: string;
    css: string;
    dependencies: string[];
} | undefined;
export declare function createWebpackUserCssSourceAppend(sources: Iterable<{
    css: string | undefined;
    file: string;
    processed?: boolean | undefined;
}>, generatorRawSource: string, currentSourceFile?: string | undefined, shouldIncludeSource?: ((file: string) => boolean) | undefined): {
    css: string;
    processed: boolean;
} | undefined;
export declare function createWebpackGeneratorUserCssSourceAppend(...sources: Array<WebpackGeneratorUserCssSource | undefined>): WebpackGeneratorUserCssSource | undefined;