code: public ListPhoneNumbersOptedOutResult withPhoneNumbers(String... phoneNumbers) {
          if (this.phoneNumbers == null) {
              setPhoneNumbers(new com.amazonaws.internal.SdkInternalList<String>(phoneNumbers.length));
          }
          for (String ele : phoneNumbers) {
              this.phoneNumbers.add(ele);
          }
          return this;
      }
docs: <p>
  A list of phone numbers that are opted out of receiving SMS messages. The list is paginated, and each page can
  contain up to 100 phone numbers.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setPhoneNumbers(java.util.Collection)} or {@link #withPhoneNumbers(java.util.Collection)} if you want to
  override the existing values.
  </p>
  
  @param phoneNumbers
  A list of phone numbers that are opted out of receiving SMS messages. The list is paginated, and each page
  can contain up to 100 phone numbers.
  @return Returns a reference to this object so that method calls can be chained together.