import type { DiffHunk } from '../learned-rules/types.js';
/**
 * Parse a GitHub PR file `patch` string (unified diff format) into typed hunks.
 */
export declare function parsePatch(filePath: string, patch: string): DiffHunk[];
/**
 * Filter out noise hunks: import-only, comment-only, whitespace-only, <2 meaningful lines.
 */
export declare function filterHunks(hunks: DiffHunk[]): DiffHunk[];