code: public DescribeMaintenanceWindowExecutionsResult withWindowExecutions(MaintenanceWindowExecution... windowExecutions) {
          if (this.windowExecutions == null) {
              setWindowExecutions(new com.amazonaws.internal.SdkInternalList<MaintenanceWindowExecution>(windowExecutions.length));
          }
          for (MaintenanceWindowExecution ele : windowExecutions) {
              this.windowExecutions.add(ele);
          }
          return this;
      }
docs: <p>
  Information about the Maintenance Windows execution.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setWindowExecutions(java.util.Collection)} or {@link #withWindowExecutions(java.util.Collection)} if you
  want to override the existing values.
  </p>
  
  @param windowExecutions
  Information about the Maintenance Windows execution.
  @return Returns a reference to this object so that method calls can be chained together.