export declare class Demo {
textArea: HTMLElement;
markup: Map;
el: HTMLElement;
markupState: string;
tag: string;
constructor();
componentDidLoad(): void;
componentDidUpdate(): void;
initEditor(): void;
initTextArea(): void;
updateExample(): void;
updateTextArea(textarea: any): void;
copyExample(ev: any): void;
render(): any;
}