import TerraElement from '../../internal/terra-element.js';
import TerraIcon from '../icon/icon.component.js';
import type { CSSResultGroup } from 'lit';
/**
 * @summary Site headers provide a consistent navigation structure at the top of pages.
 * @documentation https://terra-ui.netlify.app/components/site-header
 * @status stable
 * @since 1.0
 *
 * @dependency terra-icon
 *
 * @slot title - The site title displayed next to the logo. Defaults to the `site-name` prop value.
 * @slot center - Content displayed in the center of the header (e.g., navigation).
 * @slot right - Content displayed on the right side of the header. Defaults to a search icon button.
 *
 * @csspart base - The component's base wrapper.
 * @csspart logo - The NASA logo container.
 * @csspart title - The site title container.
 * @csspart center - The center content container.
 * @csspart right - The right content container.
 */
export default class TerraSiteHeader extends TerraElement {
    static styles: CSSResultGroup;
    static dependencies: {
        'terra-icon': typeof TerraIcon;
    };
    private readonly hasSlotController;
    /** The default site name displayed in the title slot if no content is provided. */
    siteName: string;
    render(): import("lit-html").TemplateResult<1>;
}