{"ast_node_type":"function","tokens":[{"end":78,"kind":"keyword","start":0,"text":"fn"}]}
    fn new(tcx: TyCtxt<'hir>, resolver: &'a mut ResolverAstLowering) -> Self {
impl<'a, 'hir> LoweringContext<'a, 'hir> {
        let registered_tools = tcx.registered_tools(()).iter().map(|x| x.name).collect();