code: protected static final <T> Optional<T> createOptionalFromException(GitLabApiException glae) {
          Optional<T> optional = Optional.empty();
          optionalExceptionMap.put(System.identityHashCode(optional),  glae);
          return (optional);
      }
docs: Create and return an Optional instance associated with a GitLabApiException.
  
  @param <T> the type of the Optional instance
  @param glae the GitLabApiException that was the result of a call to the GitLab API
  @return the created Optional instance