Adding Getter for the CanUpdate and the CoolOffPeriodInMillis

src/main/java/com/amazon/opendistro/elasticsearch/performanceanalyzer/decisionmaker/actions/CacheClearAction.java

@@ -131,10 +131,8 @@ public static class Summary {
     @SerializedName(value = IP)
     private String[] ip;
     @SerializedName(value = COOL_OFF_PERIOD)
-    @SuppressFBWarnings(value = "URF_UNREAD_FIELD", justification = "Used in Summary Serializing")
     private long coolOffPeriodInMillis;
     @SerializedName(value = CAN_UPDATE)
-    @SuppressFBWarnings(value = "URF_UNREAD_FIELD", justification = "Used in Summary Serializing")
     private boolean canUpdate;
 
     public Summary(final List<NodeKey> impactedNodes,
@@ -155,5 +153,13 @@ public String toJson() {
       Gson gson = new GsonBuilder().disableHtmlEscaping().create();
       return gson.toJson(this);
     }
+
+    public boolean getCanUpdate() {
+      return this.canUpdate;
+    }
+
+    public long getCoolOffPeriodInMillis() {
+      return this.coolOffPeriodInMillis;
+    }
   }
 }