github.com/ttysteale/packer@v0.8.2-0.20150708160520-e5f8ea386ed8/packer/test-fixtures/validate-req-variable.json (about)

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