npm install --save @types/express-serve-static-core
This package contains type definitions for Express (http://expressjs.com).
Files were exported from https://github.com/DefinitelyTyped/DefinitelyTyped/tree/master/types/express-serve-static-core
Additional Details
These definitions were written by Boris Yankov https://github.com/borisyankov, Michał Lytek https://github.com/19majkel94, Kacper Polak https://github.com/kacepe, Satana Charuwichitratana https://github.com/micksatana, Sami Jaber https://github.com/samijaber, and aereal https://github.com/aereal.