fn __action140<'a>(
handler: &Handler,
(_, lhs, _): (usize, SyntaxNode<'a>, usize),
(_, a, _): (usize, SyntaxNode<'a>, usize),
(_, rhs, _): (usize, SyntaxNode<'a>, usize),
(_, s, _): (usize, SyntaxNode<'a>, usize),
) -> SyntaxNode<'a>