{"ast_node_type":"variable","tokens":[{"end":49,"kind":"keyword","start":0,"text":"&&"}]}
            && let Some(fn_decl) = item.fn_decl()
            && let item = self.ir.tcx.hir_owner_node(item_id)
            && let hir::PatKind::Binding(hir::BindingMode::MUT, _hir_id, ident, _) = pat.kind