{"ast_node_type":"other","tokens":[{"end":24,"kind":"keyword","start":0,"text":")"}]}
) -> Option<Highlight> {
    is_unsafe_node: &impl Fn(AstPtr<Either<ast::Expr, ast::Pat>>) -> bool,
    let mc = name_ref.syntax().parent().and_then(ast::MethodCallExpr::cast)?;