export type TuiFileChange = {
    kind: 'add' | 'delete' | 'update';
    path: string;
    movePath?: string;
    unifiedDiff: string;
    added: number;
    removed: number;
};
export type TuiPatchSummary = {
    files: TuiFileChange[];
    added: number;
    removed: number;
};
export declare function isDiffFriendlyTool(toolName: string): boolean;
export declare function looksLikeUnifiedDiff(text: string): boolean;
/** Colorize unified diff lines for terminal display. */
export declare function renderUnifiedDiff(text: string, maxLines?: number): string;
export declare function parseUnifiedPatch(text: string): TuiPatchSummary | null;
export declare function renderPatchSummary(text: string, maxLines?: number): string | null;