node_modules/@angular/material/expansion/package.json

{
  "name": "@angular/material/expansion",
  "main": "../bundles/material-expansion.umd.js",
  "fesm2015": "../fesm2015/expansion.js",
  "esm2015": "../esm2015/expansion/index.js",
  "typings": "./index.d.ts",
  "module": "../fesm2015/expansion.js",
  "es2015": "../fesm2015/expansion.js"
}