import { JSONNode } from './types';
/**
 * Injects arbitrary content as a child of type 'slot' after the first instance found with the type name specified.
 * This is useful for inserting content within an article that is not specified in the JSON data.
 * Slot content is passed unmodified through the renderer. Only acts on the root level children.
 */
export declare const injectSlotAfter: (data: JSONNode, afterType: FindStringOrFunction, slotContent: JSX.Element) => JSONNode;
export declare const injectSlotBefore: (data: JSONNode, beforeType: FindStringOrFunction, slotContent: JSX.Element) => JSONNode;
export declare const injectSlot: (data: JSONNode, findType: FindStringOrFunction, slotContent: JSX.Element, insertAtOffset?: number) => JSONNode;
type FindStringOrFunction = string | ((child: string | JSONNode) => boolean);
export {};