import { EditorView } from '@codemirror/view';
import { DiffType } from 'api-smart-diff';
import { DiffBlockData } from '../diff-builder/common';
import { BlockTreeIndex } from '../utils/block-index';
/**
 * Apply filter-based folding to an editor view.
 * Folds blocks that don't match the filter; unfolds blocks that do.
 *
 * When treeIndex and pre-computed blockLineRanges are provided, uses
 * O(M) set operations instead of O(N) tree walk and lineMap scan.
 */
export declare function applyFilterFolds(view: EditorView, blocks: DiffBlockData[], filters: DiffType[], precomputedBlockLineRanges?: Map<string, {
    start: number;
    end: number;
}>, treeIndex?: BlockTreeIndex): void;