/**
 * Build a git-apply-compatible unified diff for a single suggestion hunk.
 *
 * The diff uses `--- a/<path>` / `+++ b/<path>` headers so `git apply` and
 * `git apply --check` accept it without a `diff --git` preamble.
 */
export declare function buildUnifiedDiff({ path, originalContent, startLine, endLine, replacementLines, context, }: {
    path: string;
    originalContent: string;
    startLine: number;
    endLine: number;
    replacementLines: readonly string[];
    context?: number;
}): string;