electron/lib/browser/api/exports/electron.js

const common = require('@electron/internal/common/api/exports/electron')
// since browser module list is also used in renderer, keep it separate.
const moduleList = require('@electron/internal/browser/api/module-list')

// Import common modules.
common.defineProperties(exports)

for (const module of moduleList) {
  Object.defineProperty(exports, module.name, {
    enumerable: !module.private,
    get: common.memoizedGetter(() => require(`@electron/internal/browser/api/${module.file}.js`))
  })
}