export default class Message extends HTMLElement {
    static get observedAttributes(): string[];
    $middle: HTMLDivElement;
    $container: HTMLDivElement;
    $content: HTMLSpanElement;
    $style: HTMLStyleElement;
    constructor();
    connectedCallback(): void;
    attributeChangedCallback(name: any, oldValue: any, newValue: any): void;
    setMessage(message: any): this;
    setType(type: any): this;
    setVisible(visible: any): void;
}