{
  "backbone": {
    "version": "0.9.0",
    "content": {
      ".": {  
        "type": "javascript",
        "requirements": {
          "backbone": ["jquery", "underscore"]
        }
      }
    }
    
  },
  "jquery": {
    "version": "1.7.1",
    "content": { ".": { "type": "javascript" } }
  },
  "underscore": {
    "version": "1.3.1",
    "content": { ".": { "type": "javascript" } }
  }
}