type SourceMap = {
    version: 3;
    sources: (string | null)[];
    sourcesContent?: (string | null)[];
    names: string[];
    mappings: string;
};
export declare const buildLineRemap: (before: string, after: string) => number[];
export declare const inlineLineMapComment: (sourcePath: string, sourceContent: string, generatedContent: string) => string;
export declare const remapGeneratedLines: (mappings: string, lineRemap: number[]) => string;
export declare const chainSourcemap: (outer: SourceMap, fetchInner: (sourcePath: string) => SourceMap | null) => SourceMap;
export declare const chainBundleInlineSourcemap: (bundleFilePath: string) => void;
export declare const chainExternalSourcemap: (mapFilePath: string) => void;
export {};