code: public DeleteMembersResult withUnprocessedAccounts(UnprocessedAccount... unprocessedAccounts) {
          if (this.unprocessedAccounts == null) {
              setUnprocessedAccounts(new java.util.ArrayList<UnprocessedAccount>(unprocessedAccounts.length));
          }
          for (UnprocessedAccount ele : unprocessedAccounts) {
              this.unprocessedAccounts.add(ele);
          }
          return this;
      }
docs: A list of objects containing the unprocessed account and a result string explaining why it was unprocessed.
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setUnprocessedAccounts(java.util.Collection)} or {@link #withUnprocessedAccounts(java.util.Collection)}
  if you want to override the existing values.
  </p>
  
  @param unprocessedAccounts
  A list of objects containing the unprocessed account and a result string explaining why it was
  unprocessed.
  @return Returns a reference to this object so that method calls can be chained together.