import { LitElement, PropertyValues } from 'lit';
/**
 * Embeds HTML into a document.
 *
 * The HTML is fetched from the URL contained in the `src` attribute, using the
 * fetch() API. A 'load' event is fired when the HTML is updated.
 *
 * The request is made using CORS by default. This can be chaned with the `mode`
 * attribute.
 *
 * By default, the HTML is embedded into a shadow root. If the `no-shadow`
 * attribute is present, the HTML will be embedded into the child content.
 *
 */
export declare class HeximalInclude extends LitElement {
    #private;
    static shadowRootOptions: {
        readonly mode: "open";
        readonly delegatesFocus: true;
    };
    static styles: import("lit").CSSResult;
    /**
     * The URL to fetch an HTML document from.
     *
     * Setting this property causes a fetch the HTML from the URL.
     */
    accessor src: string | undefined;
    /**
     * The fetch mode to use: "cors", "no-cors", or "same-origin".
     * See the fetch() documents for more information.
     *
     * Setting this property does not re-fetch the HTML.
     */
    accessor mode: RequestMode | undefined;
    /**
     * If true, replaces the innerHTML of this element with the text response
     * fetch. Setting this property does not re-fetch the HTML.
     */
    accessor noShadow: boolean;
    update(changedProperties: PropertyValues<this>): void;
    protected createRenderRoot(): HTMLElement | DocumentFragment;
}
declare global {
    interface HTMLElementTagNameMap {
        'h-include': HeximalInclude;
    }
}
//# sourceMappingURL=include.d.ts.map