code: @Override
      public SearchContactsResult searchContacts(SearchContactsRequest request) {
          request = beforeClientExecution(request);
          return executeSearchContacts(request);
      }
docs: <p>
  Searches contacts and lists the ones that meet a set of filter and sort criteria.
  </p>
  
  @param searchContactsRequest
  @return Result of the SearchContacts operation returned by the service.
  @sample AmazonAlexaForBusiness.SearchContacts
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/alexaforbusiness-2017-11-09/SearchContacts"
  target="_top">AWS API Documentation</a>