Added phpdoc types for PoolBuilder (#8862)
Added phpdoc types for PoolBuilder (#8862)


stefangr/composer,fabpot/composer,pierredup/composer,composer/composer,johnstevenson/composer,nicolas-grekas/composer,stof/composer,floverdevel/composer,localheinz/composer,staabm/composer,naderman/composer,milleruk/composer,alcohol/composer