docs: public void marshall(CreateUserPoolRequest createUserPoolRequest, ProtocolMarshaller protocolMarshaller) {
  
          if (createUserPoolRequest == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(createUserPoolRequest.getPoolName(), POOLNAME_BINDING);
              protocolMarshaller.marshall(createUserPoolRequest.getPolicies(), POLICIES_BINDING);
              protocolMarshaller.marshall(createUserPoolRequest.getLambdaConfig(), LAMBDACONFIG_BINDING);
              protocolMarshaller.marshall(createUserPoolRequest.getAutoVerifiedAttributes(), AUTOVERIFIEDATTRIBUTES_BINDING);
              protocolMarshaller.marshall(createUserPoolRequest.getAliasAttributes(), ALIASATTRIBUTES_BINDING);
              protocolMarshaller.marshall(createUserPoolRequest.getUsernameAttributes(), USERNAMEATTRIBUTES_BINDING);
              protocolMarshaller.marshall(createUserPoolRequest.getSmsVerificationMessage(), SMSVERIFICATIONMESSAGE_BINDING);
              protocolMarshaller.marshall(createUserPoolRequest.getEmailVerificationMessage(), EMAILVERIFICATIONMESSAGE_BINDING);
              protocolMarshaller.marshall(createUserPoolRequest.getEmailVerificationSubject(), EMAILVERIFICATIONSUBJECT_BINDING);
              protocolMarshaller.marshall(createUserPoolRequest.getVerificationMessageTemplate(), VERIFICATIONMESSAGETEMPLATE_BINDING);
              protocolMarshaller.marshall(createUserPoolRequest.getSmsAuthenticationMessage(), SMSAUTHENTICATIONMESSAGE_BINDING);
              protocolMarshaller.marshall(createUserPoolRequest.getMfaConfiguration(), MFACONFIGURATION_BINDING);
              protocolMarshaller.marshall(createUserPoolRequest.getDeviceConfiguration(), DEVICECONFIGURATION_BINDING);
              protocolMarshaller.marshall(createUserPoolRequest.getEmailConfiguration(), EMAILCONFIGURATION_BINDING);
              protocolMarshaller.marshall(createUserPoolRequest.getSmsConfiguration(), SMSCONFIGURATION_BINDING);
              protocolMarshaller.marshall(createUserPoolRequest.getUserPoolTags(), USERPOOLTAGS_BINDING);
              protocolMarshaller.marshall(createUserPoolRequest.getAdminCreateUserConfig(), ADMINCREATEUSERCONFIG_BINDING);
              protocolMarshaller.marshall(createUserPoolRequest.getSchema(), SCHEMA_BINDING);
              protocolMarshaller.marshall(createUserPoolRequest.getUserPoolAddOns(), USERPOOLADDONS_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }