import { PropertyValues, ReactiveController, ReactiveElement, TemplateResult } from "lit";
declare class SlotContentObserver implements ReactiveController {
  #private;
  constructor(host: ReactiveElement);
  hostConnected(): void;
  hostDisconnected(): void;
  whenSlotted(slotName: string, content?: (slot: TemplateResult) => TemplateResult): TemplateResult;
  hasContent(slotName?: string): boolean;
  hasUpdated(props: PropertyValues): boolean;
}
export { SlotContentObserver };