/// <reference types="react" />
import { marksRender } from '../marks';
import setLetterSpacing from './commands/setLetterSpacing';
/**
 * 字间距插件
 * @param options
 */
export default function LetterSpacingPlugin(options?: {}): {
    commands: {
        setLetterSpacing: typeof setLetterSpacing;
    };
    toolbar: {
        button: (props: any) => JSX.Element;
    };
    renderMark: typeof marksRender;
    htmlRule: {
        deserialize(el: any, next: any): {
            object: string;
            text: any;
            marks: {
                object: string;
                type: any;
                data: any;
            }[];
        };
        serialize(obj: any, children: any): JSX.Element;
    };
};