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