src/Composer/Repository/Vcs/GitLabDriver.php
public function getBranches()
    {
        if ($this->gitDriver) {
            return $this->gitDriver->getBranches();
        }

        if (!$this->branches) {
            $this->branches = $this->getReferences('branches');
        }

        return $this->branches;
    }
public function getBranches()
    {
        if ($this->gitDriver) {
            return $this->gitDriver->getBranches();
        }

        if (!$this->branches) {
            $this->branches = $this->getReferences('branches');
        }

        return $this->branches;
    }
{@inheritDoc}