export type BoundaryJsonValue = null | boolean | number | string | BoundaryJsonValue[] | {
    [key: string]: BoundaryJsonValue;
};
export interface BoundaryJsonCloneOptions {
    readonly failure: () => Error;
    readonly maximumDepth?: number;
    readonly maximumNodes?: number;
    readonly maximumStringBytes?: number;
}
/** JSON text is Unicode data, not an arbitrary sequence of UTF-16 code units. */
export declare function isWellFormedUnicode(value: string): boolean;
/** Clone a hostile JSON boundary through data descriptors only. */
export declare function cloneBoundaryJson(value: unknown, options: BoundaryJsonCloneOptions, seen?: Set<object>, depth?: number, budget?: {
    nodes: number;
    stringBytes: number;
}): BoundaryJsonValue;
/** Serialize an already-cloned JSON boundary without consulting inherited
 * `toJSON` hooks or any methods on caller-controlled arrays and objects. */
export declare function stringifyBoundaryJson(value: BoundaryJsonValue): string;
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