code: @Override
      public RejectPortfolioShareResult rejectPortfolioShare(RejectPortfolioShareRequest request) {
          request = beforeClientExecution(request);
          return executeRejectPortfolioShare(request);
      }
docs: <p>
  Rejects an offer to share the specified portfolio.
  </p>
  
  @param rejectPortfolioShareRequest
  @return Result of the RejectPortfolioShare operation returned by the service.
  @throws ResourceNotFoundException
  The specified resource was not found.
  @sample AWSServiceCatalog.RejectPortfolioShare
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/servicecatalog-2015-12-10/RejectPortfolioShare"
  target="_top">AWS API Documentation</a>