-record(key_value_storage, {
    get :: fun((binary()) -> {ok, gleam@option:option(binary())} |
        {error, any()}),
    set :: fun((binary(), binary()) -> {ok, nil} | {error, any()}),
    set_with_ttl :: fun((binary(), binary(), integer()) -> {ok, nil} |
        {error, any()}),
    delete :: fun((binary()) -> {ok, nil} | {error, any()}),
    scan :: fun((binary()) -> {ok, list(binary())} | {error, any()})
}).