code: @Override
      public DescribeTrustsResult describeTrusts(DescribeTrustsRequest request) {
          request = beforeClientExecution(request);
          return executeDescribeTrusts(request);
      }
docs: <p>
  Obtains information about the trust relationships for this account.
  </p>
  <p>
  If no input parameters are provided, such as DirectoryId or TrustIds, this request describes all the trust
  relationships belonging to the account.
  </p>
  
  @param describeTrustsRequest
  Describes the trust relationships for a particular AWS Managed Microsoft AD directory. If no input
  parameters are are provided, such as directory ID or trust ID, this request describes all the trust
  relationships.
  @return Result of the DescribeTrusts operation returned by the service.
  @throws EntityDoesNotExistException
  The specified entity could not be found.
  @throws InvalidNextTokenException
  The <code>NextToken</code> value is not valid.
  @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.DescribeTrusts
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/ds-2015-04-16/DescribeTrusts" target="_top">AWS API
  Documentation</a>