Function __action749 

fn __action749<'a>(
    handler: &Handler,
    __0: (usize, SyntaxNode<'a>, usize),
    __1: (usize, SyntaxNode<'a>, usize),
    __2: (usize, Vec<(SyntaxNode<'a>, SyntaxNode<'a>)>, usize),
    __3: (usize, SyntaxNode<'a>, usize),
) -> SyntaxNode<'a>