Как получить доступ к ["data:protected"]?

object(Yandex\Metrica\Stat\Models\ByTimeData)#31 (11) {
["totalRows":protected]=>
int(7)
["sampled":protected]=>
bool(false)
["sampleShare":protected]=>
float(1)
["sampleSize":protected]=>
int(6077)
["sampleSpace":protected]=>
int(6077)
["dataLag":protected]=>
int(76)
["query":protected]=>
object(Yandex\Metrica\Stat\Models\Query)#29 (16) {
["id":protected]=>
NULL
["ids":protected]=>
array(1) {
[0]=>
int(22870099)
}
["preset":protected]=>
NULL
["dimensions":protected]=>
array(0) {
}
["metrics":protected]=>
array(1) {
[0]=>
string(9) "ym:s:hits"
}
["sort":protected]=>
array(1) {
[0]=>
string(10) "-ym:s:hits"
}
["limit":protected]=>
NULL
["offset":protected]=>
NULL
["date1":protected]=>
string(10) "2018-09-18"
["date2":protected]=>
string(10) "2018-09-24"
["filters":protected]=>
NULL
["group":protected]=>
string(3) "day"
["autoGroupType":protected]=>
string(3) "day"
["autoGroupSize":protected]=>
string(1) "1"
["mappingClasses":protected]=>
array(0) {
}
["propNameMap":protected]=>
array(2) {
["auto_group_type"]=>
string(13) "autoGroupType"
["auto_group_size"]=>
string(13) "autoGroupSize"
}
}
["data":protected]=>
object(Yandex\Metrica\Stat\Models\Data)#36 (4) {
["collection":protected]=>
array(1) {
[0]=>
object(Yandex\Metrica\Stat\Models\Items)#34 (4) {
["dimensions":protected]=>
object(Yandex\Metrica\Stat\Models\Dimensions)#21 (4) {
["collection":protected]=>
array(0) {
}
["mappingClasses":protected]=>
array(0) {
}
["propNameMap":protected]=>
array(0) {
}
["innerCounter":protected]=>
int(-1)
}
["metrics":protected]=>
array(1) {
[0]=>
array(7) {
[0]=>
float(5034)
[1]=>
float(4699)
[2]=>
float(5724)
[3]=>
float(3852)
[4]=>
float(2871)
[5]=>
float(3596)
[6]=>
float(680)
}
}
["mappingClasses":protected]=>
array(1) {
["dimensions"]=>
string(37) "Yandex\Metrica\Stat\Models\Dimensions"
}
["propNameMap":protected]=>
array(0) {
}
}
}
["mappingClasses":protected]=>
array(0) {
}
["propNameMap":protected]=>
array(0) {
}
["innerCounter":protected]=>
int(-1)
}
["totals":protected]=>
array(1) {
[0]=>
array(1) {
[0]=>
float(26456)
}
}
["mappingClasses":protected]=>
array(2) {
["query"]=>
string(32) "Yandex\Metrica\Stat\Models\Query"
["data"]=>
string(31) "Yandex\Metrica\Stat\Models\Data"
}
["propNameMap":protected]=>
array(5) {
["total_rows"]=>
string(9) "totalRows"
["sample_share"]=>
string(11) "sampleShare"
["sample_size"]=>
string(10) "sampleSize"
["sample_space"]=>
string(11) "sampleSpace"
["data_lag"]=>
string(7) "dataLag"
}
}