@Override
    public String toString() {
      return new ToStringBuilder(this, ToStringStyle.SHORT_PREFIX_STYLE).append("endKey", endKey)
        .append("timestamp", timestamp).toString();
    }
StaleLocationCacheEntry is the entry when a stale location is reported by an client.
hbase-client/src/main/java/org/apache/hadoop/hbase/client/CatalogReplicaLoadBalanceSimpleSelector.java