import { Any } from "@ef-carbon/primitive";
import { IExtendedMutable as INodeExtendedMutable, IMutable as INodeMutable } from "../INode";
import { NodeGeneric } from "../Node";
import { Generic, Heading } from "./Heading";
export declare function isHeading(node: INodeMutable | Any): node is Heading;
export declare function isHeading<IExtension>(node: INodeExtendedMutable<IExtension> | Any): node is Generic<IExtension> & IExtension;
export declare function isHeading<IExtension>(node: NodeGeneric<IExtension> | Any): node is Generic<IExtension>;
export default isHeading;