import { type Cell, type Selection } from '@fortune-sheet/core';
import type { WorkSpreadsheetContent } from '../work-types';
import { type SpreadsheetRichTextToggleAttribute } from './spreadsheet-rich-text-selection-format';
interface SpreadsheetRichTextSelectionSnapshot {
    column: number;
    consumed: boolean;
    editor: HTMLElement;
    end: number;
    root: HTMLElement;
    row: number;
    sheetId: string;
    sourceCell: Cell;
    start: number;
}
export interface SpreadsheetRichTextSelectionCapture {
    content: WorkSpreadsheetContent;
    root: HTMLElement | null;
    selection: Selection | null | undefined;
    sheetId: string;
}
export declare class SpreadsheetRichTextSelectionController {
    private restoreTimer;
    private snapshot;
    capture(options: SpreadsheetRichTextSelectionCapture): boolean;
    clear(): void;
    canApply(content: WorkSpreadsheetContent, attribute: keyof Cell, value: unknown): boolean;
    apply(content: WorkSpreadsheetContent, onChange: (content: WorkSpreadsheetContent) => void, attribute: keyof Cell, value: unknown): boolean;
    canToggle(content: WorkSpreadsheetContent, attribute: SpreadsheetRichTextToggleAttribute): boolean;
    toggle(content: WorkSpreadsheetContent, onChange: (content: WorkSpreadsheetContent) => void, attribute: SpreadsheetRichTextToggleAttribute): boolean;
    private applyRequest;
    restore(): boolean;
    private cancelScheduledRestore;
    private request;
    private toggleRequest;
}
export declare function isSpreadsheetRichTextFormatPointerTarget(target: EventTarget | null): boolean;
export declare function captureSpreadsheetRichTextSelection({ content, root, selection, sheetId, }: SpreadsheetRichTextSelectionCapture): SpreadsheetRichTextSelectionSnapshot | null;
export {};