import { EnsureBaseOptions, EnsureIsOptional, EnsureDefault } from '../ensure'; declare function ensurePromise(value: any, options?: EnsureBaseOptions): Promise; declare function ensurePromise(value: any, options?: EnsureBaseOptions & EnsureIsOptional): Promise | null; declare function ensurePromise(value: any, options?: EnsureBaseOptions & EnsureIsOptional & EnsureDefault>): Promise; export default ensurePromise;