export type TaskDiffResult = {
    diff: string;
    stats: {
        filesChanged: number;
        linesAdded: number;
        linesRemoved: number;
    } | undefined;
    skippedPaths: string[];
    truncated: boolean;
    rejection?: {
        message: string;
    };
};
/**
 * Reviewer-facing text for a containment rejection (R4 AC 24).
 *
 * STATED here, not inherited. `TaskDiffResult.rejection` now has two producers:
 * `unwrapDiff` in `review-task.ts`, whose message is a thrown exception's
 * `.message`, and this assertion. Both classify as `rejected` — which is the
 * point, since that is what makes a containment failure distinguishable from the
 * `empty` diff the mis-partition would otherwise masquerade as — but they are not
 * the same event, and the preamble that fires for either
 * (`R4_2B_DIFF_REJECTED`) says the utility "threw an unexpected exception",
 * which is false here. That constant is byte-pinned by seventeen committed
 * methodology fixtures and a cross-spec drift test, so it is not edited; instead
 * the text below names the contradiction outright, the way
 * `NO_REVIEWABLE_FILES_DISCLOSURE` names its own residual.
 *
 * That wording reaches the agent on the DIRECT-CALL path only, where it travels
 * as `data.diffRejection.message`. A dashboard-spawned reviewer never reads it:
 * `TaskReviewRunner` destructures six fields from the prepare response and none
 * carries diff data, so neither `data.diff` nor `data.diffRejection` is rendered
 * into the prompt. The rejection stays distinguishable there — the preamble
 * flips from `R4_2A_DIFF_EMPTY` to `R4_2B_DIFF_REJECTED` — but only that
 * classification arrives, not this text. AC 24 is silent on the second path
 * where AC 19 is explicit, so it is a residual, not a gap: deferral
 * `d-6e59490b`, owned by the `worktree-review-signals` spec.
 */
export declare function containmentRejectionMessage(outside: string[], workspacePath: string): string;
export declare function computeTaskDiff(
/**
 * The workspace under review (R4 AC 1): git's working directory, and the
 * containment base every pathspec is asserted against.
 */
workspacePath: string, allFiles: string[]): Promise<TaskDiffResult>;
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