/**
 * Reference to an overlay that has been created with the Overlay service.
 * Used to manipulate or dispose of said overlay.
 */
export class OverlayRef {
    _portalHost;
    constructor(_portalHost) {
        this._portalHost = _portalHost;
    }
    attach(portal, newestOnTop = true) {
        return this._portalHost.attach(portal, newestOnTop);
    }
    /**
     * Detaches an overlay from a portal.
     * @returns Resolves when the overlay has been detached.
     */
    detach() {
        return this._portalHost.detach();
    }
}
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