public function stats(?int $date = null): array
    {
        $date = $date ?: time();

        return json_decode($this->client->stats($this->name, $date), true);
    }
public function stats(?int $date = null): array
    {
        $date = $date ?: time();

        return json_decode($this->client->stats($this->name, $date), true);
    }
Return the current statistics for a given queue on a given date.

The results are returned are a JSON blob:
<code>
{
# These are unimplemented as of yet
'failed': 3,
'retries': 5,
'failures': 5,
'wait': {
'total'    : ...,
'mean'     : ...,
'variance' : ...,
'histogram': [
...
]
},
'run': {
'total'    : ...,
'mean'     : ...,
'variance' : ...,
'histogram': [
...
]
},
}
</code>

@param  int $date The date for which stats to retrieve as a unix timestamp.
@return array

@throws QlessException