QBankApi.php
public function accounts()
    {
        if (!$this->accounts instanceof AccountsController) {
            $this->accounts = new AccountsController($this->getClient(), $this->cachePolicy, $this->cache);
            $this->accounts->setLogger($this->logger);
        }

        return $this->accounts;
    }
public function accounts()
    {
        if (!$this->accounts instanceof AccountsController) {
            $this->accounts = new AccountsController($this->getClient(), $this->cachePolicy, $this->cache);
            $this->accounts->setLogger($this->logger);
        }

        return $this->accounts;
    }
Accounts control the security in QBank.

@return AccountsController