docs: public void setDomainAssociations(java.util.Collection<DomainAssociation> domainAssociations) {
          if (domainAssociations == null) {
              this.domainAssociations = null;
              return;
          }
  
          this.domainAssociations = new java.util.ArrayList<DomainAssociation>(domainAssociations);
      }