Merge "Update test mode codegen for nextfood" into main

        std::unordered_map<std::string, bool> overrides_;

    {{ if allow_instrumentation- }}

    {{ if readwrite- }}

        uint32_t boolean_start_index_;

        std::unique_ptr<aconfig_storage::MappedStorageFile> flag_value_file_;

        bool package_exists_in_storage_;

    {{ -endif }}

    {{ -endif }}

    public:

    {{ if allow_instrumentation- }}

    {{ if readwrite- }}

        flag_provider()

            : overrides_()

            , boolean_start_index_()

            : overrides_()

        \{}

    {{ -endif }}

    {{ -else }}

        flag_provider()

            : overrides_()

        \{}

    {{ -endif }}

    {{ for item in class_elements }}

        virtual bool {item.flag_name}() override \{