src/Composer/Package/RootAliasPackage.php
public function setDevRequires(array $devRequire)
    {
        $this->devRequires = $this->replaceSelfVersionDependencies($devRequire, 'devRequires');

        $this->aliasOf->setDevRequires($devRequire);
    }
public function setDevRequires(array $devRequire)
    {
        $this->devRequires = $this->replaceSelfVersionDependencies($devRequire, 'devRequires');

        $this->aliasOf->setDevRequires($devRequire);
    }
{@inheritDoc}