import type { CSSResultArray, PropertyDeclarations } from 'lit-element';
import { TemplateResult } from 'lit-html';
import { InternalEditableControl } from '../InternalEditableControl/InternalEditableControl';
export declare class InternalSummaryControl extends InternalEditableControl {
    static get properties(): PropertyDeclarations;
    static get styles(): CSSResultArray;
    unsafeHelperText: boolean;
    layout: null | 'section' | 'details';
    count: number | null;
    open: boolean;
    renderLightDom(): void;
    renderControl(): TemplateResult;
}