code: @Override
      public DeleteLexiconResult deleteLexicon(DeleteLexiconRequest request) {
          request = beforeClientExecution(request);
          return executeDeleteLexicon(request);
      }
docs: <p>
  Deletes the specified pronunciation lexicon stored in an AWS Region. A lexicon which has been deleted is not
  available for speech synthesis, nor is it possible to retrieve it using either the <code>GetLexicon</code> or
  <code>ListLexicon</code> APIs.
  </p>
  <p>
  For more information, see <a href="http://docs.aws.amazon.com/polly/latest/dg/managing-lexicons.html">Managing
  Lexicons</a>.
  </p>
  
  @param deleteLexiconRequest
  @return Result of the DeleteLexicon operation returned by the service.
  @throws LexiconNotFoundException
  Amazon Polly can't find the specified lexicon. This could be caused by a lexicon that is missing, its
  name is misspelled or specifying a lexicon that is in a different region.</p>
  <p>
  Verify that the lexicon exists, is in the region (see <a>ListLexicons</a>) and that you spelled its name
  is spelled correctly. Then try again.
  @throws ServiceFailureException
  An unknown condition has caused a service failure.
  @sample AmazonPolly.DeleteLexicon
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/polly-2016-06-10/DeleteLexicon" target="_top">AWS API
  Documentation</a>