code: public void setUpdateUserRequestItems(java.util.Collection<UpdateUserRequestItem> updateUserRequestItems) {
          if (updateUserRequestItems == null) {
              this.updateUserRequestItems = null;
              return;
          }
  
          this.updateUserRequestItems = new java.util.ArrayList<UpdateUserRequestItem>(updateUserRequestItems);
      }
docs: <p>
  The request containing the user IDs and details to update.
  </p>
  
  @param updateUserRequestItems
  The request containing the user IDs and details to update.