/**
 * Low-level JSON-safety primitives.
 */
/**
 * Deep-clone `value` into a JSON-safe form: circular references are replaced with the string
 * `'[Circular]'` and BigInts are stringified. Functions / undefined are dropped exactly as
 * `JSON.stringify` would drop them. Returns `null` if the value isn't representable at all.
 *
 * Useful for capturing arbitrary third-party objects (e.g. an SDK response) into an audit blob
 * that must survive a later `JSON.stringify` without throwing on a circular reference.
 *
 * The return is typed `unknown` (not `any`) so callers must narrow before use; assigning the
 * result directly into a `Record<string, any>` blob is fine.
 */
export declare function ToJSONSafe(value: unknown): unknown;
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