import BaseComponent from "./BaseComponent";
declare class OverlayPanel extends BaseComponent {
    private isOpen;
    private backdrop;
    private props;
    private isCssMounted;
    constructor();
    static get observedAttributes(): string[];
    addBackdrop(): void;
    setPositionCss(): void;
    attributeChangedCallback(name: string, oldValue: string | null, newValue: string | null): void;
    connectedCallback(): void;
    openPanel(): void;
    closePanel(): void;
    disconnectedCallback(): void;
}
export default OverlayPanel;