materialuiupgraded/packages/material-ui/src/styles/reactJssContext.js

Material-UI's workspace package

// Share the same values than in
// https://github.com/cssinjs/jss/blob/master/packages/react-jss/src/ns.js
const ns = {
  jss: '64a55d578f856d258dc345b094a2a2b3',
  sheetsRegistry: 'd4bd0baacbc52bbd48bbb9eb24344ecd',
  sheetOptions: '6fc570d6bd61383819d0f9e7407c452d',
};

export default ns;