code: @Override
      public VerifyTrustResult verifyTrust(VerifyTrustRequest request) {
          request = beforeClientExecution(request);
          return executeVerifyTrust(request);
      }
docs: <p>
  AWS Directory Service for Microsoft Active Directory allows you to configure and verify trust relationships.
  </p>
  <p>
  This action verifies a trust relationship between your AWS Managed Microsoft AD directory and an external domain.
  </p>
  
  @param verifyTrustRequest
  Initiates the verification of an existing trust relationship between an AWS Managed Microsoft AD directory
  and an external domain.
  @return Result of the VerifyTrust operation returned by the service.
  @throws EntityDoesNotExistException
  The specified entity could not be found.
  @throws InvalidParameterException
  One or more parameters are not valid.
  @throws ClientException
  A client exception has occurred.
  @throws ServiceException
  An exception has occurred in AWS Directory Service.
  @throws UnsupportedOperationException
  The operation is not supported.
  @sample AWSDirectoryService.VerifyTrust
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/ds-2015-04-16/VerifyTrust" target="_top">AWS API
  Documentation</a>