/**
 * @slot - <default> - <b>Default</b> slot for content inside the block.
 *
 * @example
 * <tds-block>
 *   <section>Semantic section content</section>
 * </tds-block>
 */
export declare class TdsBlock {
    host: HTMLElement;
    /** Mode variant of the component, based on current mode. */
    modeVariant: 'primary' | 'secondary' | null;
    /** Specifies the HTML tag to be used for the component wrapper. */
    componentTag: 'section' | 'div' | 'article' | 'aside' | 'header' | 'footer' | 'nav' | 'main';
    private getNestingLevel;
    render(): any;
}