interface ReplaceDiffItem {
    path?: string | undefined;
    diff: string;
}
export interface PathedDiffItem {
    path?: string | undefined;
    diff: string;
}
export declare function joinReplaceDiffs(obj: Record<string, unknown>): string | undefined;
export declare function splitReplaceDiffs(obj: Record<string, unknown>): ReplaceDiffItem[];
export declare function countUnifiedDiffChanges(diff: string): {
    added: number;
    removed: number;
};
export declare function collectMultiFileDiffItems(toolName: string, output: string, _input?: unknown | undefined): PathedDiffItem[] | undefined;
/**
 * Recover the unified-diff body from a serialized tool-output string.
 *
 * The tool-output serializer renders edit/diff/write results as a header
 * line (e.g. `edit (path=...)`) followed by the raw unified diff. Feeding
 * the whole string to `parseUnifiedDiff` would mis-read the header as a
 * context line and skew the hunk line counters, so we slice from the first
 * genuine diff marker (`--- `, `diff --git`, or `@@`).
 */
export declare function extractUnifiedDiffText(text: string): string | undefined;
export declare function newFileDiffFromWriteInput(output: Record<string, unknown>, input: unknown): string | undefined;
export {};
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