docs: public Optional<PipelineSchedule> getOptionalPipelineSchedule (Object projectIdOrPath, Integer pipelineScheduleId) {
          try {
              return (Optional.ofNullable(getPipelineSchedule(projectIdOrPath, pipelineScheduleId)));
          } catch (GitLabApiException glae) {
              return (GitLabApi.createOptionalFromException(glae));
          }
      }