import { RefObject } from 'react';
import { Context } from '../../core';
import { SetContextOptions } from '../context';

export type FormulaHistoryEntry = {
    html: string;
    caret: number;
};
/** Which editor receives caret placement and drives history snapshots. */
export type FormulaEditorHistoryPrimary = 'cell' | 'fx';
type SetContext = (recipe: (ctx: Context) => void, options?: SetContextOptions) => void;
/**
 * Custom undo/redo for the cell overlay and Fx bar — **one code path** for
 * formulas (=…) and plain/rich text (same snapshot shape: text, html, spans).
 */
export declare function useFormulaEditorHistory(primaryRef: RefObject<HTMLDivElement | null>, cellInputRef: RefObject<HTMLDivElement | null>, fxInputRef: RefObject<HTMLDivElement | null>, _setContext: SetContext, primary: FormulaEditorHistoryPrimary): {
    formulaHistoryRef: import('react').MutableRefObject<{
        active: boolean;
        entries: FormulaHistoryEntry[];
        index: number;
    }>;
    preTextRef: import('react').MutableRefObject<string>;
    resetFormulaHistory: () => void;
    handleFormulaHistoryUndoRedo: (isRedo: boolean) => boolean;
    capturePreEditorHistoryState: () => void;
    appendEditorHistoryFromPrimaryEditor: (getCaret: () => number) => void;
    capturePreFormulaState: () => void;
    appendFormulaHistoryFromPrimaryEditor: (getCaret: () => number) => void;
};
export {};