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