export interface SourceLocation {
    file: string;
    line: number;
}
export declare function parseSourceAttr(value: string | null): SourceLocation | undefined;
export declare function sourceFromDom(el: Element): SourceLocation | undefined;
export declare function sourceFor(el: Element, adapterSource: SourceLocation | undefined): SourceLocation | undefined;
export declare function documentHasSourceStamps(doc: Document): boolean;
export declare function formatSource(source: SourceLocation | undefined): string | undefined;