/**
 * Defensive JSON normalization for provider-bound chat values.
 *
 * Tool implementations are extension boundaries and can return runtime values
 * that JSON does not represent directly. These helpers preserve useful data
 * without invoking getters or custom `toJSON` hooks, and keep malformed,
 * cyclic, or excessively large values from crashing message preparation.
 */
/** JSON-compatible value emitted by chat boundary normalization. */
export type ChatJsonValue = null | boolean | number | string | ChatJsonValue[] | {
    [key: string]: ChatJsonValue;
};
/** Resource limits for chat JSON normalization. */
export interface ChatJsonValueOptions {
    maxDepth?: number;
    maxNodes?: number;
    maxStringChars?: number;
    maxContainerEntries?: number;
}
/**
 * Convert an unknown runtime value into a bounded JSON-compatible snapshot.
 *
 * BigInts become decimal strings, non-finite numbers become `null`, cycles
 * receive an explicit marker, and accessors/custom `toJSON` hooks are not run.
 */
export declare function toChatJsonValue(value: unknown, options?: ChatJsonValueOptions): ChatJsonValue;
/** Serialize an unknown runtime value through {@link toChatJsonValue}. */
export declare function stringifyChatJson(value: unknown, options?: ChatJsonValueOptions): string;
//# sourceMappingURL=json-value.d.ts.map