export function findCauseByReference(err: unknown, reference: new (...args: any[]) => T): T | undefined; export function getErrorCause(err: Error | { cause?: unknown | (() => Error | { cause?: unknown | (() => Error | any); }); }): Error | undefined; export function stackWithCauses(err: Error): string; export function messageWithCauses(err: Error): string; //# sourceMappingURL=helpers.d.ts.map