import type { SourceLocation, FileSystem } from '@atlaspack/types-internal';
import SourceMap from '@atlaspack/source-map';
export declare const SOURCEMAP_RE: RegExp;
export declare const SOURCEMAP_EXTENSIONS: Set<string>;
export declare function matchSourceMappingURL(contents: string): RegExpMatchArray | null;
export declare function loadSourceMapUrl(fs: FileSystem, filename: string, contents: string): Promise<{
    filename: string;
    map: any;
    url: string;
} | null | undefined>;
export declare function loadSourceMap(filename: string, contents: string, options: {
    fs: FileSystem;
    projectRoot: string;
}): Promise<SourceMap | null | undefined>;
export declare function remapSourceLocation(loc: SourceLocation, originalMap: SourceMap, projectRoot: string): SourceLocation;