import { SemanticTree } from "./types";
declare type AttachedHeading = null | {
    heading: HTMLElement;
    payload: string;
    type: 'labelledby' | 'contain';
} | {
    payload: string;
    type: 'labeled';
} | {
    payload: string;
    type: 'error' | 'warning';
};
export declare const findHeadingForNode: (node: HTMLElement) => AttachedHeading;
/**
 * returns a label for a given tree node
 * @param branch
 */
export declare const getCorrespondingHeading: (branch: SemanticTree) => AttachedHeading;
export {};