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