/**
 * Compare if two values are the same by converting them to JSON strings
 * @example:
 *    React.memo(func, isEqualJSON)
 *
 * @param {any} oldVal - to compare
 * @param {any} newVal - to compare
 * @returns {Boolean} true - if JSON string of given values are the same
 */
export function isEqualJSON(oldVal: any, newVal: any): boolean;
/**
 * Converts given value to a JSON string if necessary
 *
 * @param {any} data - to convert
 * @param {any} args - additional options
 * @return {string}
 */
export function toJSON(data: any, ...args: any): string;
/**
 * Attempts to parse a JSON string.
 *
 * @param {string} data - the string to be parsed
 * @return {Object|Null} - a JavaScript object if parsed successfully, null if not
 */
export function fromJSON(data: string): Object | null;
/**
 * Checks to see if the data passed is valid JSON.
 *
 * @param {string} data - the json to parse.
 * @return {boolean}
 */
export function isJSON(data: string): boolean;
/**
 * Converts any Javascript value to literal string for use as source code.
 * @example:
 *    toText({a: 8})
 *    >>> '{a: 8}'
 *
 * @param {*} value - to convert to text
 * @return {string}
 */
export function toText(value: any): string;
export { CircularJSON };
export namespace Json {
    export { toJSON as encode };
    export { fromJSON as decode };
}