import { LexicalEditor, RangeSelection, LexicalNode } from 'lexical';
import './styles.css';
export declare const PLACEHOLDER_EMPTY_TEXT = "Press '/' for commands...";
export declare const PLACEHOLDER_CLASS_NAME = "lexical-node-placeholder";
export declare const TEMPLATE_CLASS_NAME = "lexical-node-template";
export declare const isHtmlHeadingElement: (el: HTMLElement) => el is HTMLHeadingElement;
export declare const getNodePlaceholder: (lexicalNode: LexicalNode, emptyPlaceholder: string) => string | undefined;
export declare const isFocusEditor: () => boolean;
export declare const removeHtmlElementPlaceholder: (htmlElement: HTMLElement) => void;
export declare const setPlaceholderOnSelection: ({ selection, editor, placeholder, }: {
    selection: RangeSelection;
    editor: LexicalEditor;
    placeholder?: any;
}) => void;
export declare const tryToSetNodePlaceholder: ({ htmlElement, node, emptyPlaceholder, }: {
    htmlElement: HTMLElement | null;
    node: LexicalNode | null;
    emptyPlaceholder?: string | undefined;
}) => void;
export declare const setNodePlaceholderFromSelection: (editor: LexicalEditor, placeholder: any) => void;
export declare const setNodePlaceholderFromState: (editor: LexicalEditor, placeholder: any) => void;
export declare const stopAddPlaceholder: ({ children, placeholder }: {
    children: any[];
    placeholder?: any;
}) => any;
export declare const getAllLexicalChildren: (editor: LexicalEditor) => {
    key: string;
    node: LexicalNode;
    htmlElement: HTMLElement | null;
}[];