title: complicated json to pojo
body: <p>Can you please help me with designing pojo class for json like this, where property used as value?</p>
  
  <pre><code>{"1":
      {
      "12.08.2014":
          {"start_time":"09:00","end_time":"11:00"},
      "15.08.2014":
          {"start_time":"09:00","end_time":"11:00"},
      }
  ,
  "2":
      {
      "25.08.2014":
          {"start_time":"09:00","end_time":"11:00"},
      "27.08.2014":
          {"start_time":"09:00","end_time":"11:00"},
      "29.08.2014":
          {"start_time":"09:00","end_time":"11:00"}
      }
  }
  </code></pre>
  
  <p>i want to get some like this</p>
  
  <pre><code>class POJO {
      class Schedule{
          @JsonProperty("start_time")
          String startTime;
          @JsonProperty("end_time")
          String endTime;
  
          @JSON???????
          String date;
      }
      @?????????
      List&lt;Schedule&gt; scheduleList;
  }
  </code></pre>