import type { FileChange } from "../../tools/file-diff.js";
import { type ToolItem } from "../../ui-core/state/transcript-types.js";
import { type BlockContext } from "./block-context.js";
/** Preview caps already defined by the OpenTUI diff card; reused verbatim. */
export declare const SINGLE_FILE_PREVIEW_ROWS = 40;
export declare const WRITE_MANY_PREVIEW_ROWS = 8;
/** `gutter(4) + space + marker + two spaces`. */
export declare const DIFF_CODE_COLUMN: number;
export declare function diffStatsSuffix(ctx: BlockContext, change: FileChange): string;
export declare function diffTitleLine(ctx: BlockContext, item: ToolItem, change: FileChange | undefined): string;
/** Below 68 columns the +N/−N counters move to their own row. */
export declare function diffStatsRow(ctx: BlockContext, change: FileChange): string | undefined;
export declare function buildDiffLines(ctx: BlockContext, item: ToolItem): string[];