/**
 * Type representing any valid JSON value.
 *
 * @invariant Must be serializable to JSON
 */
export type JSONValue = string | number | boolean | null | readonly JSONValue[] | {
    readonly [key: string]: JSONValue;
};
/**
 * Type guard: JSON object (non-null, not an array).
 */
export declare function isJSONObject(value: JSONValue): value is Readonly<Record<string, JSONValue>>;
/**
 * Type guard: string.
 */
export declare function isString(value: JSONValue): value is string;
/**
 * Type guard: number.
 */
export declare function isNumber(value: JSONValue): value is number;
/**
 * Type guard: array.
 */
export declare function isArray(value: JSONValue): value is readonly JSONValue[];
//# sourceMappingURL=json.d.ts.map