/**
 * Unified-diff parsing for the subagents /patches staging area.
 * Pure functions — no pi imports, so they are unit-testable.
 */
export interface PatchFileStat {
    path: string;
    added: number;
    removed: number;
    created: boolean;
    /** True when the diff deletes the file (+++ /dev/null); path holds the source path. */
    deleted: boolean;
    /** Source path from the `--- a/…` line (kept for deletions). */
    sourcePath?: string;
    header: string[];
}
export interface PatchHunk {
    fileIndex: number;
    header: string;
    body: string[];
}
export interface ParsedPatch {
    files: PatchFileStat[];
    hunks: PatchHunk[];
    totalAdded: number;
    totalRemoved: number;
}
export declare function parseUnifiedDiff(text: string): ParsedPatch;