code: public DeleteLaunchTemplateVersionsResult withUnsuccessfullyDeletedLaunchTemplateVersions(
              DeleteLaunchTemplateVersionsResponseErrorItem... unsuccessfullyDeletedLaunchTemplateVersions) {
          if (this.unsuccessfullyDeletedLaunchTemplateVersions == null) {
              setUnsuccessfullyDeletedLaunchTemplateVersions(new com.amazonaws.internal.SdkInternalList<DeleteLaunchTemplateVersionsResponseErrorItem>(
                      unsuccessfullyDeletedLaunchTemplateVersions.length));
          }
          for (DeleteLaunchTemplateVersionsResponseErrorItem ele : unsuccessfullyDeletedLaunchTemplateVersions) {
              this.unsuccessfullyDeletedLaunchTemplateVersions.add(ele);
          }
          return this;
      }
docs: <p>
  Information about the launch template versions that could not be deleted.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setUnsuccessfullyDeletedLaunchTemplateVersions(java.util.Collection)} or
  {@link #withUnsuccessfullyDeletedLaunchTemplateVersions(java.util.Collection)} if you want to override the
  existing values.
  </p>
  
  @param unsuccessfullyDeletedLaunchTemplateVersions
  Information about the launch template versions that could not be deleted.
  @return Returns a reference to this object so that method calls can be chained together.