import type { DOMConversionMap, DOMExportOutput, EditorConfig, ElementFormatType, LexicalEditor, LexicalNode, NodeKey, ParagraphNode, RangeSelection, SerializedElementNode, Spread } from 'lexical';
import { ElementNode } from 'lexical';
export declare function setNodeIndentFromDOM(domElement: HTMLElement, node: ElementNode): void;
export type SerializedNestedHeadingNode = Spread<{
    tag: 'h1' | 'h2' | 'h3' | 'h4' | 'h5' | 'h6' | 'h7';
    id: string;
    numberString?: string;
}, SerializedElementNode>;
export type NestedHeadingTagType = 'h1' | 'h2' | 'h3' | 'h4' | 'h5' | 'h6' | 'h7';
/** @noInheritDoc */
export declare class NestedHeadingNode extends ElementNode {
    /** @internal */
    __tag: NestedHeadingTagType;
    private __id;
    __numberString: string;
    __extraAttributes?: Record<string, string>;
    static getType(): string;
    static clone(node: NestedHeadingNode): NestedHeadingNode;
    constructor(tag: NestedHeadingTagType, key?: NodeKey, className?: string);
    getTag(): NestedHeadingTagType;
    setTag(tag: NestedHeadingTagType): this;
    getLatestIdFromJSON(): string | null;
    getId(): string;
    createDOM(config: EditorConfig): HTMLElement;
    updateDOM(prevNode: this, dom: HTMLElement, config: EditorConfig): boolean;
    static importDOM(): DOMConversionMap;
    exportDOM(editor: LexicalEditor): DOMExportOutput;
    setId(id: any): this;
    static importJSON(serializedNode: SerializedNestedHeadingNode): NestedHeadingNode;
    updateFromJSON(serializedNode: SerializedNestedHeadingNode): this;
    exportJSON(): SerializedNestedHeadingNode;
    insertNewAfter(selection?: RangeSelection, restoreSelection?: boolean): ParagraphNode | NestedHeadingNode;
    collapseAtStart(): true;
    extractWithChild(): boolean;
    toCodoxNode(): {
        children: import("lexical").SerializedLexicalNode[];
        direction: "ltr" | "rtl" | null;
        format: ElementFormatType;
        indent: number;
        type: string;
        version: number;
        tag: "h1" | "h2" | "h3" | "h4" | "h5" | "h6" | "h7";
        id: string;
        numberString: string | undefined;
        codox_metadata: {
            type: string;
            id: string;
        };
    };
    static fromCodoxNode(codoxNode: any): {
        children: any;
        direction: any;
        format: any;
        indent: any;
        type: string;
        version: any;
        tag: any;
        id: any;
        numberString: any;
    };
}
export declare function $createNestedHeadingNode(headingTag?: NestedHeadingTagType): NestedHeadingNode;
export declare function $isNestedHeadingNode(node: LexicalNode | null | undefined): node is NestedHeadingNode;