code: public void setDomainValidationOptions(java.util.Collection<DomainValidation> domainValidationOptions) {
          if (domainValidationOptions == null) {
              this.domainValidationOptions = null;
              return;
          }
  
          this.domainValidationOptions = new java.util.ArrayList<DomainValidation>(domainValidationOptions);
      }
docs: <p>
  Contains information about the initial validation of each domain name that occurs as a result of the
  <a>RequestCertificate</a> request. This field exists only when the certificate type is <code>AMAZON_ISSUED</code>
  .
  </p>
  
  @param domainValidationOptions
  Contains information about the initial validation of each domain name that occurs as a result of the
  <a>RequestCertificate</a> request. This field exists only when the certificate type is
  <code>AMAZON_ISSUED</code>.