import { HeadlessEditor, Plugin } from 'headless-json-editor';
/**
 * Add a plugin to an editor instance
 *
 * @example
 * import { useEditor, useEditorPlugin } from '@sagold/react-json-editor';
 *
 * function WebFormComponent() {
 *   const editor = useEditor(options)
 *   useEditorPlugin(editor, plugin);
 *
 *   // ...
 *
 * @param editor    to add plugin to. Skips adding plugin if editor is empty
 * @param plugin    plugin to add
 * @param options   plugin options to pass to addPlugin
 * @returns plugin instance used by editor
 */
export declare function useEditorPlugin<T extends Plugin, E extends HeadlessEditor>(editor?: E | null, plugin?: T, options?: Parameters<T>[1]): ReturnType<T> | undefined;