import type { Cell } from '@fortune-sheet/core';
import { type XlsxRichTextRun } from './work-xlsx-rich-text-model';
export interface SpreadsheetRichTextPasteIntent {
    end: number;
    runs: readonly XlsxRichTextRun[];
    start: number;
    text: string;
}
/**
 * Reconciles a text edit emitted by Fortune with the previous native XLSX
 * rich-text cell. Formula-bar edits may arrive as a plain string, while the
 * in-cell editor emits visible runs without A3S-only semantic color metadata.
 * This bounded model restores only style and metadata justified by the prior
 * controlled value and the exact text replacement.
 */
export declare function reconcileSpreadsheetRichTextCellEdit(previous: Cell | null | undefined, current: Cell, formattedPaste?: SpreadsheetRichTextPasteIntent): Cell;
/**
 * Restores the controlled runs when an unauthenticated Fortune callback keeps
 * the exact visible text but drops native run metadata. Callers must reserve
 * this for non-structural batches without an exact cell-operation coordinate.
 */
export declare function restoreSpreadsheetRichTextCellRuns(previous: Cell | null | undefined, current: Cell): Cell;
/**
 * Proves that Fortune retained the visible text of a controlled native
 * rich-text cell. This permits metadata-only callbacks to restore lost run
 * structure without guessing across a text or structural edit.
 */
export declare function sameSpreadsheetRichTextCellText(previous: Cell | null | undefined, current: Cell): boolean;