import { LitElement } from 'lit';
import { CovalentExpansionPanelItem } from './expansion-panel-item';
export declare class CovalentExpansionPanel extends LitElement {
    noSurface: boolean;
    titleWidth: string;
    panelItems: CovalentExpansionPanelItem[];
    render(): import("lit-html").TemplateResult<1>;
    private _handleToggle;
    firstUpdated(): void;
}
declare global {
    interface HTMLElementTagNameMap {
        'cv-expansion-panel': CovalentExpansionPanel;
    }
}
