title: Remove the automatically display of getter in POJO
body: <p>Below I have given my POJO structure and the current out put and expected output. My requirement is, when I am printing the JSON format the variable called "applicationUsage " automatically included in my output JSON as key, But I dont want to add "applicationUsage " key in my json format and only wants to show the values stored in this field. Can anyone help me with the code.</p>
  
  <pre><code>    @JsonRootName(value = "MediationUserCacheRequest")
      @JsonTypeInfo(include = As.WRAPPER_OBJECT, use = Id.NAME)
      @JsonTypeName(value = "MediationUserCacheRequest")
      @JsonInclude(JsonInclude.Include.NON_NULL)
      @JsonPropertyOrder({ "eventName", "eventType", "action" })
      public class MedationUsageReport implements Serializable {
          private final static long serialVersionUID = -2077028266055844229L;
          @JsonProperty("eventName")
          private String eventName;
          @JsonProperty("eventType")
          private String eventType;
          @JsonProperty("action")
          private String action;
          private Map&lt;String, List&lt;MediationApplicationUsageResport&gt;&gt; applicationUsage = null;
  
          @JsonProperty("eventName")
          public String getEventName() {
              return eventName;
          }
  
          @JsonProperty("eventName")
          public void setEventName(String eventName) {
              this.eventName = eventName;
          }
  
          @JsonProperty("eventType")
          public String getEventType() {
              return eventType;
          }
  
          @JsonProperty("eventType")
          public void setEventType(String eventType) {
              this.eventType = eventType;
          }
  
          @JsonProperty("action")
          public String getAction() {
              return action;
          }
  
          @JsonProperty("action")
          public void setAction(String action) {
              this.action = action;
          }
  
          public Map&lt;String, List&lt;MediationApplicationUsageResport&gt;&gt; getApplicationUsage() {
              return applicationUsage;
          }
  
          public void setApplicationUsage(Map&lt;String, List&lt;MediationApplicationUsageResport&gt;&gt; applicationUsage) {
              this.applicationUsage = applicationUsage;
          }
      }
  </code></pre>
  
  <p><strong>Output:</strong></p>
  
  <pre><code>{"MediationUserCacheRequest":{"eventName":"STORAGE","eventType":"CURRENT_USAGE","action":"usagereport","applicationUsage":{"nuxeo":[ ...
  </code></pre>
  
  <p><strong>Wanted:</strong></p>
  
  <pre><code>{"MediationUserCacheRequest":{"eventName":"STORAGE","eventType":"CURRENT_USAGE","action":"usagereport",{"nuxeo":[ ...
  </code></pre>