import { LitElement } from '../../../../external/lit/index.js';
/**
 * An overlay that frames its parent with a rounded border and shows a label tab
 * just above the parent's top-right corner. Visibility is controlled by the consumer via
 * `--umb-entity-frame-opacity` (defaults to `1`); the typical pattern is for the parent
 * container to set it to `0` by default and toggle to `1` on `:hover` and/or `:focus-within`.
 * The parent must establish a positioning context (e.g. `position: relative`), and must not
 * clip overflow above its top edge (the tab renders outside the parent's content box).
 * @element umb-entity-frame
 * @slot - Optional rich content for the tab. Falls back to the `label` property.
 * @cssprop --umb-entity-frame-border-width - Thickness of the border. Defaults to `2px`.
 * @cssprop --umb-entity-frame-color - Accent colour for the border and tab background. Defaults to `--uui-color-focus`.
 * @cssprop --umb-entity-frame-contrast-color - Text colour for the tab. Defaults to `--uui-color-selected-contrast`. Override when using a custom `--umb-entity-frame-color` that does not pair with the default contrast token.
 * @cssprop --umb-entity-frame-opacity - Opacity of the border and tab. Defaults to `1`. Set to `0` on the parent and toggle to `1` on `:hover` / `:focus-within` to gate visibility.
 * @augments {LitElement}
 */
export declare class UmbEntityFrameElement extends LitElement {
    /**
     * Text displayed in the tab when no slot content is projected.
     * @type {string}
     * @attr
     * @default ''
     */
    label: string;
    render(): import("lit-html").TemplateResult<1>;
    static readonly styles: import("lit").CSSResult[];
}
declare global {
    interface HTMLElementTagNameMap {
        'umb-entity-frame': UmbEntityFrameElement;
    }
}