code: public DescribeInstanceInformationResult withInstanceInformationList(InstanceInformation... instanceInformationList) {
          if (this.instanceInformationList == null) {
              setInstanceInformationList(new com.amazonaws.internal.SdkInternalList<InstanceInformation>(instanceInformationList.length));
          }
          for (InstanceInformation ele : instanceInformationList) {
              this.instanceInformationList.add(ele);
          }
          return this;
      }
docs: <p>
  The instance information list.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setInstanceInformationList(java.util.Collection)} or
  {@link #withInstanceInformationList(java.util.Collection)} if you want to override the existing values.
  </p>
  
  @param instanceInformationList
  The instance information list.
  @return Returns a reference to this object so that method calls can be chained together.