code: @Override
      public ListGlobalTablesResult listGlobalTables(ListGlobalTablesRequest request) {
          request = beforeClientExecution(request);
          return executeListGlobalTables(request);
      }
docs: <p>
  Lists all global tables that have a replica in the specified region.
  </p>
  
  @param listGlobalTablesRequest
  @return Result of the ListGlobalTables operation returned by the service.
  @throws InternalServerErrorException
  An error occurred on the server side.
  @sample AmazonDynamoDB.ListGlobalTables
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/dynamodb-2012-08-10/ListGlobalTables" target="_top">AWS API
  Documentation</a>