code: public void setPhoneNumbers(java.util.Collection<String> phoneNumbers) {
          if (phoneNumbers == null) {
              this.phoneNumbers = null;
              return;
          }
  
          this.phoneNumbers = new com.amazonaws.internal.SdkInternalList<String>(phoneNumbers);
      }
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>
  
  @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.