import { InlineTool, SanitizerConfig } from '@editorjs/editorjs';
export default class Spoiler implements InlineTool {
    static isInline: boolean;
    static title: string;
    static get sanitize(): SanitizerConfig;
    private readonly commandName;
    private readonly CSS;
    private nodes;
    render(): HTMLElement;
    surround(): void;
    private addSpoilerClass;
    private findAllSpoilerTags;
    checkState(): boolean;
}