code: public void setDomainNameConfigurations(java.util.Collection<DomainNameConfiguration> domainNameConfigurations) {
          if (domainNameConfigurations == null) {
              this.domainNameConfigurations = null;
              return;
          }
  
          this.domainNameConfigurations = new java.util.ArrayList<DomainNameConfiguration>(domainNameConfigurations);
      }
docs: <p>
  The domain name configurations.
  </p>
  
  @param domainNameConfigurations
  The domain name configurations.