{"ast_node_type":"variable","tokens":[{"end":57,"kind":"keyword","start":0,"text":"let"}]}
        let scope_entry = self.dwarf.unit.get_mut(scope);
        let scope = self.dwarf.unit.add(parent_scope, gimli::DW_TAG_namespace);
        scope_entry.set(gimli::DW_AT_name, AttributeValue::StringRef(namespace_name_id));