code: public AttackDetail withAttackCounters(SummarizedCounter... attackCounters) {
          if (this.attackCounters == null) {
              setAttackCounters(new java.util.ArrayList<SummarizedCounter>(attackCounters.length));
          }
          for (SummarizedCounter ele : attackCounters) {
              this.attackCounters.add(ele);
          }
          return this;
      }
docs: <p>
  List of counters that describe the attack for the specified time period.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setAttackCounters(java.util.Collection)} or {@link #withAttackCounters(java.util.Collection)} if you want
  to override the existing values.
  </p>
  
  @param attackCounters
  List of counters that describe the attack for the specified time period.
  @return Returns a reference to this object so that method calls can be chained together.