code: public java.util.List<String> getAccountIdsToAdd() {
          if (accountIdsToAdd == null) {
              accountIdsToAdd = new com.amazonaws.internal.SdkInternalList<String>();
          }
          return accountIdsToAdd;
      }
docs: <p>
  The AWS user accounts that should have access to the document. The account IDs can either be a group of account
  IDs or <i>All</i>.
  </p>
  
  @return The AWS user accounts that should have access to the document. The account IDs can either be a group of
  account IDs or <i>All</i>.