/**
 * Helper to check value is a function
 *
 * @param value - any datatype value
 *
 * @returns true - if datatype of value is a "function"
 *
 * @returns false - if datatype of value is not a "function"
 *
 * @example
 * ```js
 *
 * const a = ''
 *
 * isFn(a) // return false
 *
 * ```
 */
declare function isFn(value: unknown): value is Function;

export { isFn as default };