code: public WindowsFileSystemConfiguration withMaintenanceOperationsInProgress(String... maintenanceOperationsInProgress) {
          if (this.maintenanceOperationsInProgress == null) {
              setMaintenanceOperationsInProgress(new java.util.ArrayList<String>(maintenanceOperationsInProgress.length));
          }
          for (String ele : maintenanceOperationsInProgress) {
              this.maintenanceOperationsInProgress.add(ele);
          }
          return this;
      }
docs: <p>
  The list of maintenance operations in progress for this file system.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setMaintenanceOperationsInProgress(java.util.Collection)} or
  {@link #withMaintenanceOperationsInProgress(java.util.Collection)} if you want to override the existing values.
  </p>
  
  @param maintenanceOperationsInProgress
  The list of maintenance operations in progress for this file system.
  @return Returns a reference to this object so that method calls can be chained together.
  @see FileSystemMaintenanceOperation