code: @Override
      public TagResourceResult tagResource(TagResourceRequest request) {
          request = beforeClientExecution(request);
          return executeTagResource(request);
      }
docs: <p>
  Adds metadata tags to a specified resource.
  </p>
  
  @param tagResourceRequest
  @return Result of the TagResource operation returned by the service.
  @throws NotFoundException
  The resource is not found.
  @sample AmazonAlexaForBusiness.TagResource
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/alexaforbusiness-2017-11-09/TagResource" target="_top">AWS
  API Documentation</a>