code: public ListPhoneNumberOrdersResult withPhoneNumberOrders(PhoneNumberOrder... phoneNumberOrders) {
          if (this.phoneNumberOrders == null) {
              setPhoneNumberOrders(new java.util.ArrayList<PhoneNumberOrder>(phoneNumberOrders.length));
          }
          for (PhoneNumberOrder ele : phoneNumberOrders) {
              this.phoneNumberOrders.add(ele);
          }
          return this;
      }
docs: <p>
  The phone number order details.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setPhoneNumberOrders(java.util.Collection)} or {@link #withPhoneNumberOrders(java.util.Collection)} if
  you want to override the existing values.
  </p>
  
  @param phoneNumberOrders
  The phone number order details.
  @return Returns a reference to this object so that method calls can be chained together.