presto-main/src/main/java/io/prestosql/execution/resourcegroups/QueryQueueFullException.java/QueryQueueFullException/QueryQueueFullException
class QueryQueueFullException:    public QueryQueueFullException(ResourceGroupId resourceGroup)
    {
        super(QUERY_QUEUE_FULL, format("Too many queued queries for \"%s\"", resourceGroup));
        this.resourceGroup = requireNonNull(resourceGroup, "resourceGroup is null");
    }