code: public function convert($type, Node $leftNode, $operatorString, Node $rightNode)
      {
          list($precedence, $associativity) = $this->dispatcher->getPrecedenceMap($type);
  
          return $this->dispatcher->pPrec($leftNode, $precedence, $associativity, -1)
               .$operatorString
               .$this->dispatcher->pPrec($rightNode, $precedence, $associativity, 1);
      }
docs: Pretty prints an array of nodes (statements) and indents them optionally.
  
  
  @return string Pretty printed statements