docs: public VerifyDomainResponse verifyDomain(VerifyDomainRequest request) {
          checkNotNull(request, "object request should not be null.");
          assertStringNotNullOrEmpty(request.getDomainName(), "object domainName should not be null or empty");
  
          InternalRequest internalRequest =
                  this.createRequest("verifiedDomain", request, HttpMethodName.PUT, request.getDomainName());
          return this.invokeHttpClient(internalRequest, VerifyDomainResponse.class);
      }