code: public function checkTableExists($strTableName)
      {
          $this->checkTablename($strTableName);
          if (!$this->connection->getSchemaManager()->tablesExist([$strTableName])) {
              throw TableDoesNotExistException::withName($strTableName);
          }
      }
docs: Checks whether the given table exists.
  
  @param string $strTableName The table name to check.
  
  @return void
  
  @throws \Exception If an invalid table name has been passed or the table does not exist.
  
  @SuppressWarnings(PHPMD.CamelCaseVariableName)