{  
   "self":{  
      "name":"cdap.helloworld.endnode",
      "version":"0.8.0",
      "description":"cdap test component",
      "component_type":"cdap"
   },
   "streams":{  
      "subscribes": [
        {
          "format": "some.format",
          "version": "5.0.0",
          "route": "/yay",
          "type": "http"
        },
        {
          "format": "some.format",
          "version": "5.0.0",
          "config_key": "foo-sub",
          "type": "message router"
        }],
      "publishes": [{
         "format": "std.empty",
         "version": "1.0.6",
         "config_key": "stream_publish_example",
         "type": "message_router"
      }]
   },
   "services":{  
      "calls": [],
      "provides":[  
         {  
            "request":{  
               "format":"std.empty",
               "version":"1.0.6"
            },
            "response":{  
               "format":"std.empty",
               "version":"1.0.6"
            },
            "service_name":"Greeting",
            "service_endpoint":"greet",
            "verb":"GET"
         }
      ]
   },
   "parameters": {
        "app_config" : [
                         {"name" : "some_param",
                         "description" : "some desc",
                         "value" : "some_value",
                         "type": "string"}
                      ],
       "app_preferences" : [
                             {"name" : "some_param2",
                              "description" : "some desc2",
                              "value" : true,
                             "type": "boolean"}
                           ],
       "program_preferences" : [{"program_type" : "flows", "program_id" : "WhoFlow", "program_pref" : [{"name" : "some_param3","description" : "some desc3", "value" : "some_value3", "type": "number"}]}]
    },
   "auxilary": {
       "streamname":"who",
       "artifact_name" : "HelloWorld",
       "artifact_version" : "3.4.3",
       "programs" : [
                    {"program_type" : "flows", "program_id" : "WhoFlow"},
                    {"program_type" : "services", "program_id" : "Greeting"}
                  ],
    "namespace" : "hw"
   },
   "artifacts": [
     {
       "uri": "some jar url",
       "type": "jar"
     }
   ]
}