/**
 * @license
 * Copyright 2025 Google LLC
 * SPDX-License-Identifier: Apache-2.0
 */
/**
 * Safely stringifies an object to JSON, handling circular references by replacing them with [Circular].
 *
 * @param obj - The object to stringify
 * @param space - Optional space parameter for formatting (defaults to no formatting)
 * @returns JSON string with circular references replaced by [Circular]
 */
export declare function safeJsonStringify(obj: unknown, space?: string | number): string;