docs: public void setWindowExecutionTaskIdentities(java.util.Collection<MaintenanceWindowExecutionTaskIdentity> windowExecutionTaskIdentities) {
          if (windowExecutionTaskIdentities == null) {
              this.windowExecutionTaskIdentities = null;
              return;
          }
  
          this.windowExecutionTaskIdentities = new com.amazonaws.internal.SdkInternalList<MaintenanceWindowExecutionTaskIdentity>(windowExecutionTaskIdentities);
      }