fn __action51<'a>(
handler: &Handler,
(_, name, _): (usize, SyntaxNode<'a>, usize),
(_, c, _): (usize, Option<SyntaxNode<'a>>, usize),
(_, l, _): (usize, SyntaxNode<'a>, usize),
(_, inits, _): (usize, Vec<SyntaxNode<'a>>, usize),
(_, r, _): (usize, SyntaxNode<'a>, usize),
) -> SyntaxNode<'a>