code: public java.util.List<String> getVersions() {
          if (versions == null) {
              versions = new com.amazonaws.internal.SdkInternalList<String>();
          }
          return versions;
      }
docs: <p>
  The version numbers of one or more launch template versions to delete.
  </p>
  
  @return The version numbers of one or more launch template versions to delete.