import { Heading, Node, Schema } from '../../prosemirror';
export declare class HeadingNodeType extends Heading {
    constructor(name: string, schema: Schema);
}
export interface HeadingNode extends Node {
    type: HeadingNodeType;
    attrs: {
        level: number;
    };
}
export declare function isHeadingNode(node: Node): node is HeadingNode;