import type { ReanchoredLine } from "./types.ts";
import { myersDiff } from "./myers-diff.ts";
/**
 * Myers diff operation types
 */
export type DiffOp = "equal" | "insert" | "delete";
/**
 * A single diff operation in the edit script
 */
export interface DiffEntry {
    op: DiffOp;
    oldLine?: number;
    newLine?: number;
    content: string;
}
/**
 * Number of context lines around each hunk in unified diff output.
 */
export declare const UNIFIED_DIFF_CONTEXT = 3;
export { myersDiff };
/**
 * Re-anchor changed lines after an edit.
 */
export declare function reanchorChangedLines(oldLines: string[], newLines: string[], hashWidth: number): ReanchoredLine[];
/**
 * Generate a unified diff (like `git diff`) between two file contents.
 */
export declare function generateUnifiedDiff(oldContent: string, newContent: string, filePath: string): string;
/**
 * Count additions and deletions from a diff.
 */
export declare function countLineDiffs(oldContent: string, newContent: string): {
    additions: number;
    deletions: number;
};
//# sourceMappingURL=diff.d.ts.map