import { LitElement } from 'lit';
export declare class EFFocusOverlay extends LitElement {
    static styles: import('lit').CSSResult;
    focusedElement?: HTMLElement | null;
    overlay: import('lit-html/directives/ref.js').Ref<HTMLDivElement>;
    private animationFrame?;
    drawOverlay: () => void;
    render(): import('lit-html').TemplateResult<1>;
    connectedCallback(): void;
    disconnectedCallback(): void;
    protected updated(): void;
}
declare global {
    interface HTMLElementTagNameMap {
        "ef-focus-overlay": EFFocusOverlay;
    }
}
