export type SyntheticDiffLineTone = 'add' | 'remove';
export interface SyntheticDiffDocument {
    content: string;
    lineTones: Map<number, SyntheticDiffLineTone>;
    firstLine?: number;
    latestLine?: number;
}
export declare function buildSyntheticDiffDocument(baselineContent: string, latestContent: string): SyntheticDiffDocument | null;
//# sourceMappingURL=activityDiffDocument.d.ts.map