code: public function convert(Stmt\Foreach_ $node)
      {
          return 'for '.(null !== $node->keyVar ? $this->dispatcher->p($node->keyVar).', ' : '').$this->dispatcher->p($node->valueVar).
                 ' in '.$this->dispatcher->p($node->expr).' {'.
                 $this->dispatcher->pStmts($node->stmts)."\n".'}';
      }
docs: @param Stmt\Foreach_ $node
  
  @return string