import { Extension } from '@codemirror/state';
import { LineMapping } from '../types';
/** Change type for gutter markers */
export type GutterChangeType = "added" | "removed" | "modified" | "unchanged" | "spacer";
/** Create classification gutter extensions (colored bar + fold-aware markers) */
export declare function createClassificationGutter(mappings: LineMapping[], side: "before" | "after" | "unified"): Extension[];
/** Create diff marker gutter extension - should be added after fold gutter */
export declare function createDiffMarkerGutter(mappings: LineMapping[], side: "before" | "after" | "unified", wordDiffMode?: "word" | "char" | "none"): Extension;
/** Theme for diff gutter styling */
export declare const diffMarkerGutterTheme: Extension;