chromium/chrome/test/data/extensions/manifest_tests/filesystemprovider_valid.json

{
  "name": "test",
  "manifest_version": 2,
  "version": "1",
  "permissions": [
    "fileSystemProvider"
  ],
  "file_system_provider_capabilities": {
    "configurable": false,
    "watchable": false,
    "multiple_mounts": false,
    "source": "device"
  }
}