import { AnyFunction } from "../utility-types/base";
export declare function isSyncFunction(value?: any): value is AnyFunction;
export declare function isAsyncFunction(value?: any): value is AnyFunction;
/**
 * Check if the provided value's type is `Function`
 *
 * @param value - The value to type check
 * @returns An indicator specifying if the value provided is of type `Function`
 */
export declare const isFunction: (value: unknown) => value is AnyFunction;