docs: public AutomationExecution withStepExecutions(StepExecution... stepExecutions) {
          if (this.stepExecutions == null) {
              setStepExecutions(new com.amazonaws.internal.SdkInternalList<StepExecution>(stepExecutions.length));
          }
          for (StepExecution ele : stepExecutions) {
              this.stepExecutions.add(ele);
          }
          return this;
      }