import { type VeryfrontErrorData } from "./veryfront-error.js";
/**
 * Decode legacy Veryfront error data attached by `toError()`.
 *
 * Only a genuine Error with an own data-valued `context` property is accepted.
 * Structural lookalikes, Error proxies, accessors, nested proxies, cycles, and
 * values above the snapshot limits fail closed. The returned data is a
 * defensive deep snapshot.
 */
export declare function fromError(error: unknown): VeryfrontErrorData | null;
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