Function __action473 

fn __action473<'a>(
    handler: &Handler,
    (_, v, _): (usize, Vec<(SyntaxNode<'a>, SyntaxNode<'a>)>, usize),
    (_, e, _): (usize, (SyntaxNode<'a>, SyntaxNode<'a>), usize),
) -> Vec<(SyntaxNode<'a>, SyntaxNode<'a>)>