/**
 * A failed test's / hook's exception as report lines: the FULL message in a code block, then
 * any "Healix interaction diagnosis" block verbatim (it says WHY a resolved element was
 * unusable — wrong node / not editable / hidden / off-screen / covered). Assertion diffs,
 * WebDriver detail and aggregate soft-expect failures all live past line 1, so nothing is
 * cut to a first line; only a pathological dump is capped, and the cap is announced.
 */
export declare const MAX_ERR_CHARS = 8000;
export declare function fmtErrorLines(raw: unknown): string[];