import { EditorView } from '@codemirror/view';
import { LineMapping } from '../types';
/**
 * Extract the set of folded blockIds from a CodeMirror editor.
 * Returns a Set of blockIds that are currently folded.
 */
export declare function extractFoldedBlockIds(view: EditorView, lineMap: LineMapping[]): Set<string>;
/**
 * Restore folds from a set of folded blockIds using a new lineMap.
 * Looks up each blockId in blockLineRanges to find the new line positions.
 */
export declare function restoreFoldsFromBlockIds(view: EditorView, foldedBlockIds: Set<string>, blockLineRanges: Map<string, {
    start: number;
    end: number;
}>): void;