PhpParser\PrettyPrinter\Standard::pDereferenceLhs PHP Method

    protected function pDereferenceLhs(Node $node) {
        if ($node instanceof Expr\Variable
            || $node instanceof Name
            || $node instanceof Expr\ArrayDimFetch
            || $node instanceof Expr\PropertyFetch
            || $node instanceof Expr\StaticPropertyFetch
            || $node instanceof Expr\FuncCall
            || $node instanceof Expr\MethodCall
            || $node instanceof Expr\StaticCall
            || $node instanceof Expr\Array_
            || $node instanceof Scalar\String_
            || $node instanceof Expr\ConstFetch
            || $node instanceof Expr\ClassConstFetch
        ) {
            return $this->p($node);
        } else  {
            return '(' . $this->p($node) . ')';
        }
    }