code: public InstanceSnapshotInfo withFromDiskInfo(DiskInfo... fromDiskInfo) {
          if (this.fromDiskInfo == null) {
              setFromDiskInfo(new java.util.ArrayList<DiskInfo>(fromDiskInfo.length));
          }
          for (DiskInfo ele : fromDiskInfo) {
              this.fromDiskInfo.add(ele);
          }
          return this;
      }
docs: <p>
  A list of objects describing the disks that were attached to the source instance.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setFromDiskInfo(java.util.Collection)} or {@link #withFromDiskInfo(java.util.Collection)} if you want to
  override the existing values.
  </p>
  
  @param fromDiskInfo
  A list of objects describing the disks that were attached to the source instance.
  @return Returns a reference to this object so that method calls can be chained together.