import { PropsWithChildren, ReactPortal } from 'react';
import { HistoryActionResult } from './history';
import { MathEditorHandle } from '../components/math-editor';
import FI from '../../FI';
import { CaretPosition } from '../utility';
import { RichTextEditorProps } from '../index';
export type EditorState = {
    /** Ref to the main text-area (which is a `contenteditable` `<div />`) */
    ref: React.RefObject<HTMLDivElement | null>;
    mathEditorPortal: [portalRoot: Node, portal: ReactPortal] | null;
    spawnMathEditorAtCursor(): void;
    spawnMathEditorInNewLine(afterElement: Element): void;
    isToolbarOpen: boolean;
    isMathToolbarOpen: boolean;
    showToolbar: () => void;
    hideToolbar: () => void;
    isToolbarExpanded: boolean;
    expandToolbar: () => void;
    collapseToolbar: () => void;
    persistValidImages: () => void;
    handlePastedImage: NonNullable<RichTextEditorProps['getPasteSource']>;
    allowedFileTypes: NonNullable<RichTextEditorProps['allowedFileTypes']>;
    invalidImageSelector: NonNullable<RichTextEditorProps['invalidImageSelector']>;
    isHelpDialogOpen: boolean;
    showHelpDialog: () => void;
    hideHelpDialog: () => void;
    setActiveMathEditor: (handle: MathEditorHandle | null) => void;
    activeMathEditor: MathEditorHandle | null;
    /**
     * Finds all math-editor boxes in the text area and makes them interactive.
     * Should be called after e.g. pasting in new content.
     */
    initMathImages: () => void;
    t: typeof FI;
    /** Called when answer has changed. This needs to happen on this level,
     * as programmatic changes to the answer (e.g. creating and editing equations)
     * do not trigger the main text area's `onInput` event so we need a mechanism to
     * trigger this from multiple places
     */
    onAnswerChange: (caretPosition?: CaretPosition, shouldUpdateHistory?: boolean) => void;
    initialValue?: string;
    baseUrl: string;
    undoEquation: () => string | undefined;
    redoEquation: () => string | undefined;
    canUndoEquation: boolean;
    canRedoEquation: boolean;
    undoEditor: () => HistoryActionResult | undefined;
    redoEditor: () => HistoryActionResult | undefined;
    canUndoEditor: boolean;
    canRedoEditor: boolean;
};
export default function useEditorState(): EditorState;
type EditorStateProps = PropsWithChildren<Omit<RichTextEditorProps, 'textAreaProps' | 'toolbarRoot'>>;
export declare function EditorStateProvider({ children, language, getPasteSource, allowedFileTypes, invalidImageSelector, onValueChange, initialValue, baseUrl, onLatexUpdate, }: EditorStateProps): import("react/jsx-runtime").JSX.Element;
export {};