code: public DescribeInstancesHealthResult withInstanceHealthList(SingleInstanceHealth... instanceHealthList) {
          if (this.instanceHealthList == null) {
              setInstanceHealthList(new com.amazonaws.internal.SdkInternalList<SingleInstanceHealth>(instanceHealthList.length));
          }
          for (SingleInstanceHealth ele : instanceHealthList) {
              this.instanceHealthList.add(ele);
          }
          return this;
      }
docs: <p>
  Detailed health information about each instance.
  </p>
  <p>
  The output differs slightly between Linux and Windows environments. There is a difference in the members that are
  supported under the <code>&lt;CPUUtilization&gt;</code> type.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setInstanceHealthList(java.util.Collection)} or {@link #withInstanceHealthList(java.util.Collection)} if
  you want to override the existing values.
  </p>
  
  @param instanceHealthList
  Detailed health information about each instance.</p>
  <p>
  The output differs slightly between Linux and Windows environments. There is a difference in the members
  that are supported under the <code>&lt;CPUUtilization&gt;</code> type.
  @return Returns a reference to this object so that method calls can be chained together.