import type { Thenable } from '../types/internal';
/**
 * Returns `true`, if value is array, and `false` otherwise.
 */
export declare function isArray<Type>(value: unknown): value is Type[];
/**
 * Returns `true`, if value is thenable (an object with a `then` method), and `false` otherwise.
 */
export declare function isThenable<Type>(value: Type): value is Type & Thenable;