@mui/material/legacy/version/index.js

Material UI is an open-source React component library that implements Google's Material Design. It's comprehensive and can be used in production out of the box.

export var version = "5.16.7";
export var major = Number("5");
export var minor = Number("16");
export var patch = Number("7");
export var preReleaseLabel = undefined || null;
export var preReleaseNumber = Number(undefined) || null;
export default version;