import type { ToolDisplayConfig } from "./types.js";
export interface DiffSummaryStats {
    added: number;
    removed: number;
    hunks: number;
    files: number;
}
export type DiffPresentationMode = "split" | "unified" | "compact" | "summary";
export declare function normalizeDiffRenderWidth(width: number): number;
export declare function resolveDiffPresentationMode(config: Pick<ToolDisplayConfig, "diffViewMode" | "diffSplitMinWidth">, width: number, canRenderSplitLayout: boolean): DiffPresentationMode;
export declare function buildDiffSummaryText(stats: DiffSummaryStats, width: number): string;
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