/**
 * Store the values of an iterator in an array.
 *
 * @description This code is about 9x faster than `Array.from()`.
 *
 * @param iter - The map whose keys are to be converted to an array
 * @return The array with the map keys
 */
export declare const iteratorToArray: <S>(iter: Iterable<S>) => S[];
/**
 * Parse a primitive value into a human readable string.
 *
 * @example
 * ```js
 * stringifyPrimitive('test') // => 'test'
 * stringifyPrimitive(42) // => '42'
 * stringifyPrimitive(NaN) // => 'NaN'
 * stringifyPrimitive(true) // => 'true'
 * stringifyPrimitive(null) // => 'null'
 * stringifyPrimitive(undefined) // => 'undefined'
 * ```
 *
 * @param primitive - A primitive value
 * @return The stringified version
 */
export declare const stringifyPrimitive: (primitive: string | number | boolean | null | undefined) => string;
/**
 * Parse a string into primitive value.
 *
 * @example
 * ```js
 * parsePrimitive('test') // => 'test'
 * parsePrimitive('42') // => 42
 * parsePrimitive('NaN') // => NaN
 * parsePrimitive('true') // => true
 * parsePrimitive('null') // => null
 * parsePrimitive('undefined') // => undefined
 * ```
 *
 * @param string - A stringified primitive value
 * @return The primitive version
 */
export declare const parsePrimitive: (string: string) => string | number | boolean | null | undefined;