// Type definitions for number-is-nan 2.0 // Project: https://github.com/sindresorhus/number-is-nan#readme // Definitions by: Mohamed Hegazy // Piotr Błażejewicz // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped declare function numberIsNan(value?: unknown): boolean; export = numberIsNan;