import { EventEmitter, ClosableController, CloseChangeType, LayerController } from '@cds/core/internal';
import { LitElement } from 'lit';
export declare class CdsInternalStaticOverlay extends LitElement {
    closable: boolean;
    hidden: boolean;
    protected demoMode: boolean;
    i18n: {
        closeButtonAriaLabel: string;
        contentStart: string;
        contentEnd: string;
    };
    protected layerController: LayerController<this>;
    protected closableController: ClosableController<this>;
    static get shadowRootOptions(): any;
    protected get closeButtonTemplate(): import("lit-html").TemplateResult<1>;
    protected get backdropTemplate(): import("lit-html").TemplateResult<1>;
    protected render(): import("lit-html").TemplateResult<1>;
    protected backdropClick(): void;
    closeOverlay(trigger?: CloseChangeType): void;
    static get styles(): import("lit").CSSResultGroup[];
}
/**
 *
 * ```typescript
 * import '@cds/core/internal-components/overlay/register.js';
 * ```
 *
 * ```html
 * <cds-internal-overlay>
 *  <section cds-layout="vertical align:horizontal-stretch">
 *    <div cds-layout="vertical pad:md gap:md">
 *      <h2 cds-text="display">A Title</h2>
 *      <div>
 *        <p cds-text="body">
 *          Content inside a generic overlay.
 *        </p>
 *      </div>
 *    </div>
 *  </section>
 * </cds-internal-overlay>
 * ```
 *
 * @element cds-internal-overlay
 * @slot - Content slot for the content inside the overlay's panel
 * @event closeChange - Notify user when close event has occurred
 * @cssprop --backdrop-background
 * @cssprop --layered-backdrop-background
 * @cssprop --animation-duration
 * @cssprop --animation-easing
 *
 * KNOWN ISSUE: Safari jumps through the exit animation but only when the ESC key is pressed.
 *
 */
export declare class CdsInternalOverlay extends CdsInternalStaticOverlay {
    cdsMotion: string;
    cdsMotionChange: EventEmitter<string>;
}