import { IExtendedImmutable as INodeExtendedImmutable, IExtendedMutable as INodeExtendedMutable } from "../INode";
import { IExtendedImmutable, IExtendedMutable } from "./IHeading";
export declare function isIHeading<T>(node: INodeExtendedMutable<T>): node is IExtendedMutable<T>;
export declare function isIHeading<T>(node: INodeExtendedImmutable<T>): node is IExtendedImmutable<T>;
export default isIHeading;