import type { OutDirOptions } from './index.js';
/**
 * Get .d.ts.map file path.
 * @param filePath The path to the source file (i.e. `foo.css`). It is absolute.
 * @param arbitraryExtensions Generate `.d.css.ts` instead of `.css.d.ts`.
 * @param outDir Output directory for generated files.
 * @returns The path to the .d.ts.map file. It is absolute.
 */
export declare function getSourceMapFilePath(filePath: string, arbitraryExtensions: boolean, options: OutDirOptions | undefined): string;
export declare function generateSourceMappingURLComment(dtsFilePath: string, sourceMapFilePath: string): string;