github.com/emate/packer@v0.8.1-0.20150625195101-fe0fde195dc6/packer/test-fixtures/validate-req-variable.json (about)

     1  {
     2      "variables": {
     3          "foo": null
     4      },
     5  
     6      "builders": [{
     7          "type": "foo"
     8      }]
     9  }