import { RenderPlaceholder } from '../../../../contracts/src/index.js';
export type CreateRenderPlaceholderOptions = {
    doc: Document;
    placeholder: RenderPlaceholder;
};
/** Stamp the shared diagnostic and accessibility contract on a placeholder. */
export declare const applyRenderPlaceholderSemantics: (element: HTMLElement, placeholder: RenderPlaceholder) => void;
/**
 * Paint an observable, print-visible replacement for content that the
 * projection layer deliberately kept fail-closed.
 */
export declare const createRenderPlaceholder: ({ doc, placeholder }: CreateRenderPlaceholderOptions) => HTMLSpanElement;