docs: public void marshall(UpdateUserPoolClientRequest updateUserPoolClientRequest, ProtocolMarshaller protocolMarshaller) {
  
          if (updateUserPoolClientRequest == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(updateUserPoolClientRequest.getUserPoolId(), USERPOOLID_BINDING);
              protocolMarshaller.marshall(updateUserPoolClientRequest.getClientId(), CLIENTID_BINDING);
              protocolMarshaller.marshall(updateUserPoolClientRequest.getClientName(), CLIENTNAME_BINDING);
              protocolMarshaller.marshall(updateUserPoolClientRequest.getRefreshTokenValidity(), REFRESHTOKENVALIDITY_BINDING);
              protocolMarshaller.marshall(updateUserPoolClientRequest.getReadAttributes(), READATTRIBUTES_BINDING);
              protocolMarshaller.marshall(updateUserPoolClientRequest.getWriteAttributes(), WRITEATTRIBUTES_BINDING);
              protocolMarshaller.marshall(updateUserPoolClientRequest.getExplicitAuthFlows(), EXPLICITAUTHFLOWS_BINDING);
              protocolMarshaller.marshall(updateUserPoolClientRequest.getSupportedIdentityProviders(), SUPPORTEDIDENTITYPROVIDERS_BINDING);
              protocolMarshaller.marshall(updateUserPoolClientRequest.getCallbackURLs(), CALLBACKURLS_BINDING);
              protocolMarshaller.marshall(updateUserPoolClientRequest.getLogoutURLs(), LOGOUTURLS_BINDING);
              protocolMarshaller.marshall(updateUserPoolClientRequest.getDefaultRedirectURI(), DEFAULTREDIRECTURI_BINDING);
              protocolMarshaller.marshall(updateUserPoolClientRequest.getAllowedOAuthFlows(), ALLOWEDOAUTHFLOWS_BINDING);
              protocolMarshaller.marshall(updateUserPoolClientRequest.getAllowedOAuthScopes(), ALLOWEDOAUTHSCOPES_BINDING);
              protocolMarshaller.marshall(updateUserPoolClientRequest.getAllowedOAuthFlowsUserPoolClient(), ALLOWEDOAUTHFLOWSUSERPOOLCLIENT_BINDING);
              protocolMarshaller.marshall(updateUserPoolClientRequest.getAnalyticsConfiguration(), ANALYTICSCONFIGURATION_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }