import type { DiffOp, FileChange, ModalDiffLine } from "../../tools/file-diff.js";
import type { Theme } from "./theme.js";
import { type LangId, type SyntaxKind, type SyntaxSpan } from "./syntax-highlight.js";
export type DiffLineTone = "context" | "add" | "del" | "gap" | "header";
/**
 * Columns a diff code row loses to card chrome in the OpenTUI transcript:
 * card border (2) + card padding (2) + the " │ " gutter separator (3).
 * The code budget must subtract these or long lines run through the border.
 */
export declare const DIFF_CARD_CHROME_COLS = 7;
export declare function diffCardMaxLineChars(paneWidth: number, gutterChars: number): number;
export declare function clipDiffCardText(text: string, max: number): string;
export interface PresentedDiffRow {
    readonly tone: DiffLineTone;
    readonly gutter: string;
    readonly prefix: string;
    readonly text: string;
    readonly displayText: string;
    readonly spans: readonly SyntaxSpan[];
}
export declare function gutterWidth(change: FileChange): number;
export declare function wrapCodeLine(text: string, max: number): string[];
export declare function syntaxColor(kind: SyntaxKind, theme: Theme): string;
export declare function rowBackground(tone: DiffLineTone, theme: Theme): string | undefined;
export declare function presentFileChangePreview(change: FileChange, options?: {
    maxLineChars?: number;
    maxRows?: number;
}): PresentedDiffRow[];
export declare function presentAllFileChangePreviews(changes: readonly FileChange[], options?: {
    maxLineChars?: number;
}): Array<{
    change: FileChange;
    rows: PresentedDiffRow[];
}>;
export declare function fileChangeExportText(change: FileChange): string;
export interface ModalPagerRow {
    readonly gutter: string;
    readonly body: string;
    readonly tone: DiffOp | "header";
    readonly spans: readonly SyntaxSpan[];
    readonly code: string;
}
export declare function buildModalPagerRows(change: FileChange, options?: {
    maxHighlightLines?: number;
}): ModalPagerRow[];
export declare function formatModalPlainText(change: FileChange): string;
export type { ModalDiffLine, SyntaxSpan, LangId };
export declare function relativeDisplayPath(absPath: string): string;
export declare function collapsedFileChangeLabel(change: FileChange): string;
export declare function collapsedFileChangesLabel(changes: readonly FileChange[]): string;