import { LitElement, PropertyValues } from "lit";
import "../icon/icon.js";
import "../utils/expand-transition";
import "../utils/unstyled-heading";
/**
 * Expandable is a layout component used for creating expandable content areas on a page.
 *
 * [Warp component reference](https://warp-ds.github.io/docs/components/expandable/frameworks/elements)
 *
 * @slot title - Alternative to the `title` attribute should you need to provide some additional markup.
 *
 * @csspart base - the root wrapper element inside the component.
 * @csspart chevron - the chevron container.
 */
declare class WarpExpandable extends LitElement {
    #private;
    /**
     * Controls component's expanded state
     */
    expanded: boolean;
    /**
     * Component title. Used to display the title value which is always present regardless of whether the component is open or closed.
     */
    title: string;
    /**
     * Will make the expandable a Box
     */
    box: boolean;
    /**
     * Will make the expandable full-width on the sm breakpoint size
     */
    bleed: boolean;
    /**
     * @deprecated Probably does not work the way you expect. The class must exist inside the shadow DOM of the component.
     */
    buttonClass: string | undefined;
    /**
     * @deprecated Probably does not work the way you expect. The class must exist inside the shadow DOM of the component.
     */
    contentClass: string | undefined;
    /**
     * Controls chevron visibility
     */
    noChevron: boolean;
    /**
     * Will animate the expansion/collapse
     */
    animated: boolean;
    /**
     * Wrap the toggle button in a heading element with the specified level. If headingLevel is not specified, the button will not be wrapped by a heading element.
     */
    headingLevel: number | undefined;
    private _hasTitle;
    private _showChevronUp;
    static styles: import("lit").CSSResult[];
    updated(changedProperties: PropertyValues<this>): void;
    firstUpdated(): void;
    /** @internal */
    get _expandableSlot(): import("lit").TemplateResult<1>;
    render(): import("lit").TemplateResult<1>;
}
declare global {
    interface HTMLElementTagNameMap {
        "w-expandable": WarpExpandable;
    }
}
export { WarpExpandable };